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The transcription factor c-Myb is an oncoprotein promoting cell proliferation and survival when aberrantly activated/expressed, thus contributing to malignant transformation. Overexpression of c-Myb has been found in leukemias, breast, colon and adenoid cystic carcinoma. Recent studies revealed its expression also in osteosarcoma cell lines and suggested its functional importance during bone development. However, the relevance of c-Myb in control of osteosarcoma progression remains unknown. A retrospective clinical study was carried out to assess a relationship between c-Myb expression in archival osteosarcoma tissues and prognosis in a cohort of high-grade osteosarcoma patients. In addition, MYB was depleted in metastatic osteosarcoma cell lines SAOS-2 LM5 and 143B and their growth, chemosensitivity, migration and metastatic activity were determined. Immunohistochemical analysis revealed that high c-Myb expression was significantly associated with poor overall survival in the cohort and metastatic progression in young patients. Increased level of c-Myb was detected in metastatic osteosarcoma cell lines and its depletion suppressed their growth, colony-forming capacity, migration and chemoresistance in vitro in a cell line-dependent manner. MYB knock-out resulted in reduced metastatic activity of both SAOS-2 LM5 and 143B cell lines in immunodeficient mice. Transcriptomic analysis revealed the c-Myb-driven functional programs enriched for genes involved in the regulation of cell growth, stress response, cell adhesion and cell differentiation/morphogenesis. Wnt signaling pathway was identified as c-Myb target in osteosarcoma cells. Taken together, we identified c-Myb as a negative prognostic factor in osteosarcoma and showed its involvement in the regulation of osteosarcoma cell growth, chemosensitivity, migration and metastatic activity., (© 2022. The Author(s), under exclusive licence to Springer Nature B.V.)

An increasing number of studies has brought evidence of the protective role of statin use against different types of cancer. However, data on their association with second primary malignancies (SPMs) are lacking. The purpose of this study was to determine the role of hypolipidemic treatment in the prevention of second primary cancer in colorectal cancer (CRC) survivors. We conducted a retrospective single-institution study of 1401 patients with newly diagnosed colorectal cancer from January 2003 to December 2016, with follow-up until December 2020. An SPM was detected in 301 patients (21%), and the incidence was significantly lower in patients with statin medication. However, stratification by cancer types revealed an increased incidence of bladder and gastric cancer in hypolipidemic users. A Kaplan-Meier analysis of early-stage CRC survivors with an SPM showed a significant survival benefit in patients without a history of hypolipidemic treatment. Despite the protective role of statins on overall second cancer incidence, these data indicate that CRC survivors treated with hypolipidemic drugs should be screened more cautiously for SPMs, especially for gastric and bladder cancer.

Competing Interests: Disclosure PGC has received honoraria for participation in advisory board for Bayer, institutional research funding from Amgen Dompé, Advenchen, Bayer, Blueprint, Deciphera, Eli Lilly, Epizyme, Daiichi, GlaxoSmithKline (GSK), Karyopharm, Novartis, Pfizer, PharmaMar, SpringWorks, AROG Pharmaceuticals and Eisai and carried out nonremunerated activities for the Italian Sarcoma Group, European School of Oncology, Federation of Italian Cooperative Groups and Rare Cancers Europe; JYB received research support from Merck Sharp & Dohme (MSD), Roche, GSK, Novartis, Bayer, PharmaMar outside the present work; NA reports nonremunerated leadership and advisory roles for Sociedade Portuguesa de Cirurgia; JB reports no personal financial disclosure, received research grants (institutional) from Eli Lilly, Novartis, Roche, Samsung Bioepis, Paxman Coolers Ltd., Sun Pharma and reports nonremunerated advisory role for Novartis, nonremunerated leadership activities for Immuno-Oncology Society of India, Indian Society of Medical and Paediatric Oncology, Teenage and Young Adult Cancer Foundation and Indian Cooperative Oncology Network; SB has received honoraria for participation in advisory boards for Deciphera, Blueprint Medicines, Lilly, Novartis, Daiichi-Sankyo, Plexxikon, Roche, GSK and reports invited speaker fees from Pfizer and PharmaMar, institutional research grant from Novartis, performed institutional research as principal investigator (PI) for Daiichi-Sankyo, Roche, Deciphera, Lilly, Novartis, Blueprint Medicines, Bristol Myers Squibb (BMS), Incyte and carried out nonrenumerated activities for Federal Institute for Drugs and Medical Devices (BfArm) and is the founding member of German Sarcoma Foundation; RB reports nonrenumerated activities as PI for IRCSS Galeazzi Orthopaedic Institute and IRE-ISG Regina Elena Institute and participation at the Clinical Experience Exchange Meeting, III IDBN National Congress 2019, Italian Association of Medical Oncology (AIOM), IRE-ISG Regina Elena Institute and Lazio Association of Orthopaedic Hospital Traumatologists (A.L.O.T.O.); SBi has received honoraria for participation in advisory boards from Bayer Healthcare, Boehringer Ingelheim, Clinigen, Hoffmann-La Roche, Ipsen, Eli Lilly and Sensorion and reports nonremunerated activities for Bayer and membership of the German Paediatric Oncology Society and European Musculoskeletal Oncology Society; SBon has received honoraria for advisory board from Nanobiotix and as an invited speaker for PharmaMar, trial research grant from the Institut National du Cancer (INCa); IB has received honoraria for participation in advisory boards for Roche, Lilly, Sanofi, Pierre Fabre, Ipsen and as an invited speaker for Amgen, BMS, Novartis, Leo Pharma, AstraZeneca and Genesis and is a member of Board of Directors for Hellenic Society of Medical Oncology, Hellenic Society of Sarcomas and Rare Tumors, Hellenic Oncology Research Group (HORG) and reports PI trial research support from Novartis, BMS, Regeneron, MSD, Lilly and Roche; JVMGB receives royalties from UpToDate and Wolters Kluwer, and direct research funding from TRACON pharmaceuticals; KB has received honoraria for expert testimony and advisory boards for Bayer, invited speaker fees and research grant from Eli Lilly, PI for Deciphera and Novartis; TB has received honoraria for participation in advisory boards for Bayer and Eli Lilly, invited speaker fees from PharmaMar and Novartis; EDÁ has received honoraria for participation in advisory board for Bayer, invited speaker for Lilly, PharmaMar and Roche and institutional research support from Pfizer, Roche and AstraZeneca; APDT has received honoraria for participation in advisory boards for Bayer and Roche, invited speaker for PharmaMar and Novartis; XGDM has received honoraria for participation in advisory boards for Ipsen, EUSAPharma, BMS, Pfizer, Roche and PharmaMar and is an invited speaker for Lilly, Astellas Pharma, Eisai and Pfizer and received institutional research grant from Astra Zeneca; ME has received honoraria for participation in advisory boards for Clinigen and Bayer, consulting fees from Blueprint Medicines, institutional research funding from Novartis; AF has received honoraria for participation in advisory board for Novartis and invited speaker fees for MSD and Amgen; VF has received honoraria for participation in advisory boards and speaker fees for BMS, Novartis and MSD and speaker fees from Pierre Fabre; SG has reported institutional research for Blueprint Medicines and is a member of American Society of Clinical Oncology (ASCO) and AIOM; HG has reported PI research for Daiichi, Deciphera and Novartis and co-ordinating PI for Boehringer Ingelheim and AmMax Bio; FG has received honoraria for participation in advisory board for Amgen and expert testimony for Deciphera, stock ownership for Atlanthera, licencing fees from Zimmer, nonrenumerated activities for 3D-Side and INCa DGOS funding and is a member of the board of NetSarc, the French clinical reference network for soft tissue and visceral sarcomas; GG has received honoraria for participation in advisory boards for Lilly, Eisai, Merck, Bayer and GSK, invited speaker fees from PharmaMar and Novartis and institutional grants from PharmaMar, Bayer and Novartis; RH has received honoraria from GSK; ABH is a member of Board of Directors for EIT Health UK and Ireland and received or currently receives direct research funding as a PI from Roche, performs work in clinical trials or contracted research for the institution and as the Clinical Director of the Oncology and Haematology Directorate, Oxford Cancer Centre; NH has received honoraria as expert testimony and invited speaker from PharmaMar and performs work in clinical trials or contracted research for which the author’s institution received financial support from PharmaMar, Lilly, Adaptimmune Therapeutics, AROG Pharmaceuticals, Bayer, Eisai, Lixte, Karyopharm, Deciphera, GSK, Novartis, Blueprint Medicines, Nektar Therapeutics, Forma, Amgen and Daiichi-Sankyo and reports nonremunerated leadership roles for Grupo Español de Investigación en Sarcomas (GEIS) and SELNET and has nonremunerated membership or affiliation with ESMO, Sociedad Española de Oncología Médica (SEOM), ASCO, Connective Tissue Oncology Society (CTOS) and European Organisation for Research and Treatment of Cancer (EORTC); PH has received honoraria for participation in advisory boards for Pfizer, Roche and GSK, invited speaker fees from PharmaMar and Lilly, clinical expert fees from Boehringer Ingelheim and institutional research funding for clinical trials from Siemens, Novartis, Blueprint Medicines and meeting sponsorship from PEKKIP Oncology and reports carrying out nonremunerated activities for the German Sarcoma Foundation (DSS), German Interdisciplinary Sarcoma Group (GISG) and Interdisciplinary Working Party on Sarcomas (IAWS) of the German Cancer Society (DKG) and advisory role for the German Cancer Aid (DKH) Committee on Health Technology Assessment and Sarcoma Patients EuroNet (SPAEN); HJ has received honoraria for participation in advisory boards for Orion Pharma, Neutron Therapeutics and Maud Kuistila Memorial Foundation and had full time or part time employment at Orion Pharma (until 31 August 2020), stocks in Orion Pharma and Sartar Therapeutics; RLJ has received honoraria for expert testimony consultancy for Adaptimmune, Bayer, Boehringer Ingelheim, Blueprint Medicines, Clinigen, Eisai, Epizyme, Daiichi, Deciphera, Immune Design, Lilly, SpringWorks, Tracon, UpToDate, PharmaMar and is on the advisory board for Athenex and received institutional research grant from MSD; CJ has received travel grants from Ipsen and PharmaMar; BK has received honoraria for participation in advisory boards for Bayer, Blueprint Medicines, Boehringer Ingelheim, SpringWorks, GSK and PharmaMar, institutional research support from PharmaMar and SpringWorks and is a member of EORTC and Chair of the EORTC soft tissue and bone sarcoma group (STBSG); AK has received honoraria for participation in advisory boards for Daiichi-Sankyo and Otsuka and invited speaker fees from Novartis, Taiho and Eisai; KK has received honoraria for participation in the advisory board for Bayer and expert testimony for Eli Lilly and Roche; ALC has received honoraria for participation in advisory boards for Deciphera and Lilly and invited speaker fees from PharmaMar and Bayer; EL received honoraria from SpringWorks Therapeutics for scientific advisory board participation and is a member of the European Reference Network GENTURIS; AL has received institutional research grants from Johnson & Johnson, Alphamed, Medacta and ImplanTec and reports nonremunerated activities for European Musculoskeletal Society (EMSOS), Austrian Society of Orthopaedic Surgeons (OGO) and membership of CTOS; AL-P has received honoraria as invited speaker for PharmaMar, institutional research funding from the Spanish Health Ministry, reported nonrenumerated activities as PI for PharmaMar, Cebiotex, Deciphera, Lilly, GSK, Daiichi, Epizyme, Advenchen Laboratories, Novartis, Karyopharm, Blueprint medicines, GEIS and other activity for EORTC; JM-B has received honoraria for expert testimony for Lilly, PharmaMar, Eisai, Bayer, invited speaker fee from PharmaMar and carried out institutional research for PharmaMar, Eisai, Novartis, Immix Biopharma, Lixte, Karyopharm, Bayer, Celgene, Pfizer, BMS, Blueprint Medicines, Deciphera, Nektar Therapeutics, Forma, Amgen, Daiichi-Sankyo, Lilly, AROG Pharmaceuticals, Adaptimmune and GSK; OM has received honoraria for participation in advisory boards for MSD, Megapharm, AstraZeneca, Takeda and ProGenetics and invited speaker fees from MSD and Roche; CM has performed nonremunerated activities for International Cancer Imaging Society and EORTC STBSG; OMi has received honoraria for participation in advisory boards for Bayer, Blueprint Medicines, MSD, Pfizer, invited speaker fees from BMS, Eli-Lilly, Ipsen, Roche and Servier and institutional research for Blueprint Medicines, Bayer, Epizyme and Eli-Lilly; EP has received honoraria for participation in advisory boards for SynOx, Daiichi-Sankyo and Deciphera Pharmaceuticals and invited speaker fees from Peer View Educational; MAP has received honoraria for participation in advisory boards for Roche, invited speaker fees from Eli-Lilly, Pfizer and Novartis and expert testimony from Blueprints Medicine and institutional research grant from Novartis; SP-N has received honoraria for participation in advisory board for Immunocore; PR has received honoraria for participation in advisory boards for Bayer, Clinigen, Roche, MSD, Deciphera, Mundibiopharma, PharmaMar, Blueprint Medicines, invited speaker fees from Lilly, PharmaMar and institutional research for PharmaMar, Karyopharm, SpringWorks, AROG Pharmaceuticals, Blueprint, Deciphera, Amgen, Astellas, Epizyme, Lilly, MSD, Pfizer, Novartis and Philogen and has membership of the German Sarcoma Foundation; PRu has received honoraria for participation in advisory boards for MSD, BMS, Pierre Fabre, Merck, Sanofi, Blueprint Medicines, invited speaker fees from MSD, BMS, Pierre Fabre, Merck, Sanofi, Novartis and institutional research funding from Pfizer, BMS and reports carrying out nonremunerated activities for the Polish Society of Surgical Oncology and ASCO; MS has received honoraria for travel grant from PharmaMar and writing engagement for Lilly; SS has reported a research grant from Johnson & Johnson and research funding from Roche Austria; PS has received honoraria for participation in advisory boards for Deciphera, Blueprint Medicines, Boehringer Ingelheim, Ellipses Pharma, Transgene, Exelixis, Medscape, Guided Clarity, Ysios, Modus Outcomes, Studiecentrum voor Kernenergie, Curio Science and institutional honoraria for advisory boards for Blueprint Medicines, Ellipses Pharma, IntelliSphere, expert testimony for Advanced Medical/Teladoc Health and institutional research funding from CoBioRes NV, Eisai, G1 Therapeutics, Novartis and PharmaMar; SSl is the Chair of Centre for Personalised Cancer Treatment and Route Personalised Medicine, Dutch Science Agenda, a member of supervisory board for SkylineDx and Scientific advisory committee Pan-Cancer T BV; SJS has received honoraria for participation in advisory board for GSK; KSH reports nonrenumerated activity for CTOS as President 2020 and membership of the Scandinavian Sarcoma Group; MAJvdS has performed work in clinical trials or contracted research for which the institution received financial support from Daiichi Sankyo, implantcast and CarboFix; WTAvdG has received institutional honoraria for participation in advisory boards of Bayer and GSK, institutional research grants from Novartis and Lilly and performed consultancy work for SpringWorks; WJvH has received institutional honoraria for participation in advisory board for Belpharma, invited speaker fees from Amgen and reports expert testimony for Sanofi and MSD and personal travel grant from Novartis and institutional research grant from BMS; TF reports institutional research funding from the Foundation ARC and Ligue Régionale contre le Cancer and leadership role for ERN GENTURIS; AG has received honoraria for participation in advisory boards for Novartis, Pfizer, Bayer, Lilly, PharmaMar, SpringWorks and Nanobiotix and is an invited speaker for Lilly, PharmaMar and reports research grant from PharmaMar; SSta has received honoraria for participation in advisory boards for Bayer, Deciphera, Eli Lilly, Daiichi, MaxiVAX, Novartis, invited speaker fees from GSK and PharmaMar, expert testimony fee from Bavarian Nordic and Epizyme and institutional research funding from Amgen Dompé, Advenchen, Bayer, Blueprint Medicines, Deciphera, Eli Lilly, Epizyme, Daiichi, GSK, Karyopharm, Novartis, Pfizer, PharmaMar, SpringWorks and Hutchinson MediPharma International Inc. and carried out nonremunerated activities for CTOS, Chordoma Foundation, Epithelioid Haemangioendothelioma Foundation, Desmoid Foundation, EORTC STBSG and Italian Sarcoma Group Onlus. AB, AD, AFer, AMF, PJ, DAK, FLG, ABM, MM, CMo, RP, AAS, CS, DS, AT and MU have declared no conflicts of interests.

Competing Interests: Disclosure SJS has received honoraria for participation in advisory board for GlaxoSmithKline (GSK); NA non-remunerated leadership and advisory roles for Sociedade Portuguesa de Cirurgia; JB has no personal financial disclosure, received research grants (institutional) from Eli Lilly, Novartis, Roche, Samsung Bioepis, Paxman Coolers Ltd, Sun Pharma and non-remunerated advisory role for Novartis, non-remunerated leadership activities for Immuno-oncology society of India, Indian Society of Medical and Paediatric Oncology, Teenage and Young Adult Cancer Foundation and Indian cooperative oncology network; SB has received honoraria for participation in advisory boards for Deciphera, Blueprint Medicines, Lilly, Novartis, Daiichi-Sankyo, Plexxikon, Roche, GSK, invited speaker fees from Pfizer and PharmaMar, institutional research grant from Novartis, institutional research as principal investigator (PI) for Daiichi-Sankyo, Roche, Deciphera, Lilly, Novartis, Blueprint Medicines, Bristol Myers Squibb (BMS), Incyte, non-remunerated activities for Federal Institute for Drugs and Medical Devices (BfArm) and founding member of German Sarcoma Foundation; RB reports non-remunerated activities as PI for IRCSS Galeazzi Orthopedic Institute and IRE-ISG Regina Elena Institute, participation at the Clinical Experience Exchange Meeting, III IDBN National Congress 2019, Italian Association of Medical Oncology (AIOM), IRE-ISG Regina Elena Institute and Lazio Association of Orthopaedic Hospital Traumatologists (ALOTO); SBi has received honoraria for participation in advisory boards from Bayer Healthcare, Boehringer Ingelheim, ClinGen, Hofmann La Roche, Ipsen, Eli Lilly and Sensorion, non-remunerated activities for Bayer and membership of the German Pediatric Oncology Society and European Musculoskeletal Oncology Society; JYB received research support from Merck Sharp & Dohme (MSD), Roche, GSK, Novartis, Bayer, PharmaMar outside the present work; SBon has received honoraria for advisory board from Nanobiotix and as invited speaker for PharmaMar, trial research grant from the Institut National du Cancer (INCa); IB has received honoraria for participation in advisory boards for Roche, Lilly, Sanofi, Pierre Fabre, Ipsen, and as invited speaker for Amgen, BMS, Novartis, Leo Pharma, AstraZeneca and Genesis, member of Board of Directors for Hellenic Society of Medical Oncology, Hellenic Society of Sarcomas and Rare Tumors, Hellenic Oncology Research Group (HORG), PI trial research support from Novartis, BMS, Regeneron, MSD, Lilly and Roche; JVMGB receives royalties from UpToDate and Wolters Kluwer, and direct research funding from TRACON pharmaceuticals; KB has received honoraria for expert testimony and advisory boards for Bayer, invited speaker fees and research grant from Eli Lilly, PI for Deciphera and Novartis; TB has received honoraria for participation in advisory boards for Bayer and Eli Lilly, invited speaker fees from PharmaMar and Novartis; EDÁ has received honoraria for participation in advisory board for Bayer, invited speaker for Lilly, PharmaMar and Roche, institutional research support from Pfizer, Roche and AstraZeneca; APDT has received honoraria for participation in advisory boards for Bayer and Roche, invited speaker for PharmaMar and Novartis; XGDM has received honoraria for participation in advisory boards for Ipsen, EUSA Pharma, BMS, Pfizer, Roche and PharmaMar, invited speaker for Lilly, Astellas Pharma, Eisai and Pfizer and institutional research grant from AstraZeneca; ME has received honoraria for participation in advisory boards for Clinigen and Bayer, consulting fees from Blueprint Medicines, institutional research funding from Novartis; AF has received honoraria for participation in advisory board for Novartis and invited speaker fees for MSD and Amgen; VF has received honoraria for participation in advisory boards and speaker fees for BMS, Novartis and MSD and speaker fees from Pierre Fabre; NG has received honoraria as invited speaker for Eisai and reports membership of the European Society for Paediatric Oncology (SIOPE), ACCELERATE, Societe Francaise de lutte contre les cancers et leucemies de l'enfant et de l'adolescent (SFCE) and Groupe Onco- hématologie Adolescents et Jeunes Adultes (GO-AJA); SG has reported institutional research for Blueprint Medicines and member of American Society of Clinical Oncology (ASCO) and AIOM; HG has reported PI research for Daiichi, Deciphera and Novartis, co-ordinating PI for Boehringer Ingelheim and AmMax Bio; FG has received honoraria for participation in advisory board for Amgen and expert testimony for Deciphera, stock ownership for Atlanthera, licensing fees from Zimmer, non-remunerated activities for 3D-Side and INCa DGOS funding and member of the board of NetSarc the French clinical reference network for soft tissue and visceral sarcomas; GG has received honoraria for participation in advisory boards for Lilly, Eisai, Merck, Bayer and GSK, invited speaker fees from PharmaMar and Novartis, institutional grants from PharmaMar, Bayer and Novartis; AG has received honoraria for participation in advisory boards for Novartis, Pfizer, Bayer, Lilly, PharmaMar, SpringWorks and Nanobiotix, invited speaker for Lilly, PharmaMar and research grant from PharmaMar; RH has received honoraria from GSK; ABH is a member of Board of Directors for EIT health UK and Ireland, received or currently receives direct research funding as a PI from Roche, performs work in clinical trials or contracted research for the Institution and Clinical Director of the Oncology and Haematology Directorate, Oxford Cancer Centre; SHN reports institutional research role as deputy PI for Eisai, non-remunerated activity for Harmonization International Bones Sarcoma Consortium (HIBISCus), membership of SIOPE, German, Swiss, Austrian Society of Paediatric Oncology and Hematology (GPOH) and German Society of Pediatrics and Adolescent Medicine (DGKJ); NH has received honoraria as expert testimony and invited speaker from PharmaMar, performs work in clinical trials or contracted research for which his/her institution received financial support from PharmaMar, Lilly, Adaptimmune Therapeutics, AROG Pharmaceuticals, Bayer, Eisai, Lixte, Karyopharm, Deciphera, GSK, Novartis, Blueprint Medicines, Nektar Therapeutics, Forma, Amgen and Daiichi-Sankyo, non-remunerated leadership roles for Grupo Español de Investigación en Sarcomas (GEIS) and SELNET, and has non-remunerated membership or affiliation with ESMO, Sociedad Española de Oncología Médica (SEOM), ASCO, Connective Tissue Oncology Society (CTOS) and European Organisation for Research and Treatment of Cancer (EORTC); PH has received honoraria for participation in advisory boards for Pfizer, Roche and GSK, invited speaker fees from PharmaMar and Lilly, clinical expert fees from Boehringer Ingelheim, institutional research funding for clinical trials from Siemens, Novartis, Blueprint Medicines and meeting sponsorship from PEKKIP Oncology, non-remunerated activities for the German Sarcoma Foundation (DSS), German Interdisciplinary Sarcoma Group (GISG) and Interdisciplinary Working Party on Sarcomas (IAWS) of the German Cancer Society (DKG), advisory role for the German Cancer Aid (DKH) Committee on Health Technology Assessment and Sarcoma Patients EuroNet (SPAEN); HJ has received honoraria for participation in advisory boards for Orion Pharma, Neutron Therapeutics and Maud Kuistila Memorial Foundation, had full time or part time employment at Orion Pharma, until 31 August 2020, stocks in Orion Pharma and Sartar Therapeutics; RLJ has received honoraria for expert testimony consultancy for Adaptimmune, Bayer, Boehringer Ingelheim, Blueprint Medicines, Clinigen, Eisai, Epizyme, Daiichi, Deciphera, Immune Design, Lilly, SpringWorks, Tracon, UpToDate, PharmaMar, advisory board for Athenex, institutional research grant from MSD; CJ has received travel grants from Ipsen and PharmaMar; LK has received honoraria for participation in advisory boards for Bayer, Novartis and Agios; BK has received honoraria for participation in advisory boards for Bayer, Blueprint Medicines, Boehringer Ingelheim, SpringWorks, GSK and PharmaMar, institutional research support from PharmaMar and SpringWorks, member of EORTC and Chair of the EORTC soft tissue and bone sarcoma group (STBSG); AK has received honoraria for participation in advisory boards for Daiichi-Sankyo and Otsuka and invited speaker fees from Novartis, Taiho and Eisai; KK has received honoraria for participation in advisory board for Bayer and expert testimony for Eli Lilly and Roche; ALC has received honoraria for participation in advisory boards for Deciphera and Lilly, invited speaker fees from PharmaMar and Bayer; EL received honoraria from SpringWorks Therapeutics for scientific advisory board participation and member of the European Reference Network GENTURIS; AL has received institutional research grants from Johnson & Johnson, Alphamed, Medacta and ImplanTec, non-remunerated activities for European Musculoskeletal Society (EMSOS), Austrian Society of Orthopaedic Surgeons (OGO) and membership of CTOS; ALP has received honoraria as invited speaker for PharmaMar, institutional research funding from the Spanish Health Ministry, reported non-remunerated activities as PI for PharmaMar, Cebiotex, Deciphera, Lilly, GSK, Daiichi, Epizyme, Advenchen Laboratories, Novartis, Karyopharm, Blueprint medicines, GEIS and other activity for EORTC; JMB has received honoraria for expert testimony for Lilly, PharmaMar, Eisai, Bayer, invited speaker fee from PharmaMar, institutional research for PharmaMar, Eisai, Novartis, Immix Biopharma, Lixte, Karyopharm, Bayer, Celgene, Pfizer, BMS, Blueprint Medicines, Deciphera, Nektar Therapeutics, Forma, Amgen, Daiichi-Sankyo, Lilly, AROG Pharmaceutcials, Adaptimmune and GSK; OM has received honoraria for participation in advisory boards for MSD, Megapharm, AstraZeneca, Takeda and Progenetics, invited speaker fees from MSD and Roche; CM has performed non-remunerated activities for International Cancer Imaging Society and EORTC STBSG; OMi has received honoraria for participation in advisory boards for Bayer, Blueprint Medicines, MSD, Pfizer, invited speaker fees from BMS, Eli Lilly, Ipsen, Roche and Servier, institutional research for Blueprint Medicines, Bayer, Epizyme and Eli-Lilly; BM has received honoraria from Clinigen as invited speaker; EP has received honoraria for participation in advisory boards for SynOx, Daiichi-Sankyo and Deciphera Pharmaceuticals and invited speaker fees from Peer View Educational; MAP has received honoraria for participation in advisory boards for Roche, invited speaker fees from Eli Lilly, Pfizer, and Novartis, expert testimony from Blueprints Medicine and institutional research grant from Novartis; SPN has received honoraria for participation in advisory board for Immunocore; PR has received honoraria for participation in advisory boards for Bayer, Clinigen, Roche, MSD, Deciphera, Mundibiopharma, PharmaMar, Blueprint Medicines, invited speaker fees from Lilly, PharmaMar, institutional research for PharmaMar, Karyopharm, SpringWorks, AROG Pharmaceuticals, Blueprint, Deciphera, Amgen, Astellas, Epizyme, Lilly, MSD, Pfizer, Novartis and Philogen, membership of German Sarcoma Foundation; PRu has received honoraria for participation in advisory boards for MSD, BMS, Pierre Fabre, Merck, Sanofi, Blueprint Medicines, invited speaker fees from MSD, BMS, Pierre Fabre, Merck, Sanofi, Novartis, institutional research funding from Pfizer, BMS and non-remunerated activities for the Polish Society of Surgical Oncology and ASCO; MS has received honoraria for travel grant from PharmaMar and writing engagement for Lilly; SS has reported a research grant from Johnson & Johnson and research funding from Roche Austria; PS has received honoraria for participation in advisory boards for Deciphera, Blueprint Medicines, Boehringer Ingelheim, Ellipses Pharma, Transgene, Exelixis, Medscape, Guided Clarity, Ysios, Modus Outcomes, Studiecentrum voor Kernenergie, Curio Science, institutional honoraria for advisory boards for Blueprint Medicines, Ellipses Pharma, Intellisphere, expert testimony for Advanced Medical/Teladoc Health, institutional research funding from CoBioRes NV, Eisai, G1 Therapeutics, Novartis and PharmaMar; SSl Chair of Centre for Personalised Cancer Treatment and Route Personalised Medicine, Dutch Science Agenda, member of supervisory board for SkylineDX and Scientific advisory committee Pan-Cancer T BV; KSH reports non-remunerated activity for CTOS as President 2020 and membership of the Scandinavian Sarcoma Group; MAJvdS has performed work in clinical trials or contracted research for which the institution received financial support from Daiichi-Sankyo, Implantcast and Carbofix; WTAvdG has received institutional honoraria for participation in advisory boards for Bayer and GSK, institutional research grants from Novartis and Lilly and consultancy work for SpringWorks; WJvH has received institutional honoraria for participation in advisory board for Belpharma, invited speaker fees from Amgen, expert testimony for Sanofi and MSD, personal travel grant from Novartis and institutional research grant from BMS; TF reported institutional research funding from the Foundation ARC and Ligue Régionale contre le Cancer, leadership role for ERN GENTURIS; PGC has received honoraria for participation in advisory board for Bayer, institutional research funding from Amgen Dompé, Advenchen, Bayer, Blueprint, Deciphera, Eli Lilly, Epizyme, Daiichi, GSK, Karyopharm, Novartis, Pfizer, PharmaMar, SpringWorks, AROG Pharmaceuticals and Eisai, non-remunerated activities for the Italian Sarcoma Group, European School of Oncology, Federation of Italian Cooperative Groups and Rare Cancers Europe; SSta has received honoraria for participation in advisory boards for Bayer, Deciphera, Eli Lilly, Daiichi, Maxivax, Novartis, invited speaker fees from GSK and PharmaMar, expert testimony fee from Bavarian Nordic and Epizyme, institutional research funding from Amgen Dompé, Advenchen, Bayer, Blueprint Medicines, Deciphera, Eli Lilly, Epizyme, Daiichi, GSK, Karyopharm, Novartis, Pfizer, PharmaMar, SpringWorks and Hutchinson MediPharma International Inc., non-remunerated activities for CTOS, Chordoma Foundation, Epithelioid Haemangioendothelioma Foundation, Desmoid Foundation, EORTC STBSG and Italian Sarcoma Group Onlus. AMF, AB, SBo, BB, AD, FF, AFer, PJ, DAK, FLG, ABM, MM, CMo, RP, AAS, CS, DS, AT, MU and RL have declared no conflicts of interests.

Competing Interests: Disclosure AG has received honoraria for participation in advisory boards for Novartis, Pfizer, Bayer, Lilly, PharmaMar, SpringWorks and Nanobiotix, invited speaker for Lilly, PharmaMar and research grant from PharmaMar; APDT has received honoraria for participation in advisory boards for Bayer and Roche, invited speaker for PharmaMar and Novartis; NA Non-remunerated leadership and advisory roles for Sociedade Portuguesa de Cirurgia; JB has no personal financial disclosure, received research grants (institutional) from Eli Lilly, Novartis, Roche, Samsung Bioepis, Paxman Coolers Ltd, Sun Pharma and non-remunerated advisory role for Novartis, non-remunerated leadership activities for Immuno-oncology society of India, Indian society of Medical and Paediatric Oncology, Teenage and Young Adult Cancer Foundation and Indian cooperative oncology network; SB has received honoraria for participation in advisory boards for Deciphera, Blueprint Medicines, Lilly, Novartis, Daiichi-Sankyo, Plexxikon, Roche, GlaxoSmithKline (GSK), invited speaker fees from Pfizer and PharmaMar, institutional research grant from Novartis, institutional research as principal investigator (PI) for Daiichi-Sankyo, Roche, Deciphera, Lilly, Novartis, Blueprint Medicines, Bristol-Myers Squibb (BMS), Incyte, non-remunerated activities for Federal Institute for Drugs and Medical Devices (BfArm) and founding member of German Sarcoma Foundation; RB reports non-remunerated activities as PI for IRCSS Galeazzi Orthopedic Institute and IRE-ISG Regina Elena Institute, participation at the Clinical Experience Exchange Meeting, III IDBN National Congress 2019, Italian Association of Medical Oncology (AIOM), IRE-ISG Regina Elena Institute and Lazio Association of Orthopaedic Hospital Traumatologists (ALOTO); SBI has received honoraria for participation in advisory boards from Bayer Healthcare, Boehringer Ingelheim, Clinigen, Hoffmann-La Roche, Ipsen, Eli Lilly and Sensorion, non-remunerated activities for Bayer and membership of the German Paediatric Oncology Society and European Musculoskeletal Oncology Society; JYB received research support from Merck Sharp & Dohme (MSD), Roche, GSK, Novartis, Bayer, PharmaMar outside the present work; SBon has received honoraria for advisory board from Nanobiotix and as invited speaker for PharmaMar, trial research grant from the Institut National du Cancer (INCa); IB has received honoraria for participation in advisory boards for Roche, Lilly, Sanofi, Pierre Fabre, Ipsen, and as invited speaker for Amgen, BMS, Novartis, Leo Pharma, AstraZeneca and Genesis, member of Board of Directors for Hellenic Society of Medical Oncology, Hellenic Society of Sarcomas and Rare Tumors, Hellenic Oncology Research Group (HORG), PI trial research support from Novartis, BMS, Regeneron, MSD, Lilly and Roche; JVMGB receives royalties from UpToDate and Wolters Kluwer, and direct research funding from TRACON pharmaceuticals; KB has received honoraria for expert testimony and advisory boards for Bayer, invited speaker fees and research grant from Eli Lilly, PI for Deciphera and Novartis; TB has received honoraria for participation in advisory boards for Bayer and Eli Lilly, invited speaker fees from PharmaMar and Novartis; EDÁ has received honoraria for participation in advisory board for Bayer, invited speaker for Lilly, PharmaMar and Roche, institutional research support from Pfizer, Roche and AstraZeneca; XGDM has received honoraria for participation in advisory boards for Ipsen, EusaPharma, BMS, Pfizer, Roche and PharmaMar, invited speaker for Lilly, Astellas Pharma, Eisai and Pfizer and institutional research grant from AstraZeneca; ME has received honoraria for participation in advisory boards for Clinigen and Bayer, consulting fees from Blueprint Medicines, institutional research funding from Novartis as PI; AF has received honoraria for participation in advisory board for Novartis and invited speaker fees for MSD and Amgen; VF has received honoraria for participation in advisory boards and speaker fees for BMS, Novartis and MSD and speaker fees from Pierre Fabre; SG has reported institutional research for Blueprint Medicines and member of American Society of Clinical Oncology (ASCO) and AIOM; HG has reported PI research for Daiichi, Deciphera and Novartis, Co-ordinating PI for Boehringer Ingelheim and AmMax Bio; FG has received honoraria for participation in advisory board for Amgen and expert testimony for Deciphera, stock ownership for Atlanthera, licensing fees from Zimmer, non-remunerated activities for 3D-Side and INCa DGOS funding and member of the board of NetSarc the French clinical reference network for soft tissue and visceral sarcomas; GG has received honoraria for participation in advisory boards for Lilly, Eisai, Merck, Bayer and GSK, invited speaker fees from PharmaMar and Novartis, institutional grants from PharmaMar, Bayer and Novartis; RH has received Honoraria from GSK; ABH is a member of Board of Directors for EIT Health UK and Ireland, received or currently receives direct research funding as a PI from Roche, performs work in clinical trials or contracted research for the Institution and Clinical Director of the Oncology and Haematology Directorate, Oxford Cancer Centre; SHN received invited speaker fee from University Hospital Basel, Switzerland for Swiss sarcoma symposium, reports institutional research role as deputy PI for Eisai, non-remunerated activity for Harmonization International Bones Sarcoma Consortium (HIBISCus), membership of European Society for Paediatric Oncology (SIOP), German, Swiss, Austrian Society of Paediatric Oncology and Hematology (GPOH) and German Society of Pediatrics and Adolescent Medicine (DGKJ); NH has received honoraria as expert testimony and invited speaker from PharmaMar, performs work in clinical trials or contracted research for which his/her institution received financial support from PharmaMar, Lilly, Adaptimmune Therapeutics, AROG Pharmaceutcials, Bayer, Eisai, Lixte, Karyopharm, Deciphera, GSK, Novartis, Blueprint Medicines, Nektar Therapeutics, Forma, Amgen and Daiichi-Sankyo, non-remunerated leadership roles for Grupo Español de Investigación en Sarcomas (GEIS) and SELNET, and has non-remunerated membership or affiliation with ESMO, Sociedad Española de Oncología Médica (SEOM), ASCO, Connective Tissue Oncology Society (CTOS) and European Organisation for Research and Treatment of Cancer (EORTC); PH has received honoraria for participation in advisory boards for Pfizer, Roche and GSK, invited speaker fees from PharmaMar and Lilly, clinical expert fees from Boehringer Ingelheim, institutional research funding for clinical trials from Siemens, Novartis, Blueprint Medicines and meeting sponsorship from PEKKIP Oncology, non-remunerated activities for the German Sarcoma Foundation (DSS), German Interdisciplinary Sarcoma Group (GISG) and Interdisciplinary Working Party on Sarcomas (IAWS) of the German Cancer Society (DKG), advisory role for the German Cancer Aid (DKH) Committee on Health Technology Assessment and Sarcoma Patients EuroNet (SPAEN); HJ has received honoraria for participation in advisory boards for Orion Pharma, Neutron Therapeutics and Maud Kuistila Memorial Foundation, had full-time or part-time employment at Orion Pharma, until 31 August 2020, stocks in Orion Pharma and Sartar Therapeutics; RLJ has received honoraria for expert testimony consultancy for Adaptimmune, Bayer, Boehringer Ingelheim, Blueprint Medicines, Clinigen, Eisai, Epizyme, Daiichi, Deciphera, Immunedesign, Lilly, SpringWorks, TRACON, UpToDate, PharmaMar, advisory board for Athenex, institutional research grant from MSD; CJ has received travel grants from Ipsen and PharmaMar; LK has received honoraria for participation in advisory boards for Bayer, Novartis and Agios; BK has received honoraria for participation in advisory boards for Bayer, Blueprint Medicines, Boehringer Ingelheim, SpringWorks, GSK and PharmaMar, institutional research support from PharmaMar and SpringWorks, member of EORTC and Chair of the EORTC soft tissue and bone sarcoma group (STBSG); AK has received honoraria for participation in advisory boards for Daiichi-Sankyo and Otsuka and invited speaker fees from Novartis, Taiho and Eisai; KK has received honoraria for participation in advisory board for Bayer and expert testimony for Eli Lilly and Roche; ALC has received honoraria for participation in advisory boards for Deciphera and Lilly, invited speaker fees from PharmaMar and Bayer; EL received honoraria from SpringWorks Therapeutics for scientific advisory board participation and member of the European Reference Network GENTURIS; AL has received institutional research grants from Johnson & Johnson, Alphamed, Medacta and Implantec, non-remunerated activities for European Musculoskeletal Society (EMSOS), Austrian Society of Orthopaedic Surgeons (OGO) and membership of CTOS; AL-P has received honoraria as invited speaker for PharmaMar, institutional research funding from the Spanish Health Ministry, reported non-remunerated activities as PI for PharmaMar, Cebiotex, Deciphera, Lilly, GSK, Daiichi, Epizyme, Advenchen Laboratories, Novartis, Karyopharm, Blueprint Medicines, GEIS and other activity for EORTC; JMB has received honoraria for expert testimony for Lilly, PharmaMar, Eisai, Bayer, invited speaker fee from PharmaMar, institutional research for PharmaMar, Eisai, Novartis, Immix Biopharma, Lixte, Karyopharm, Bayer, Celgene, Pfizer, BMS, Blueprint Medicines, Deciphera, Nektar Therapeutics, Forma, Amgen, Daiichi-Sankyo, Lilly, AROG Pharmaceuticals, Adaptimmune and GSK; OM has received honoraria for participation in advisory boards for MSD, Megapharm, AstraZeneca, Takeda and Progenetics, invited speaker fees from MSD and Roche; CM has performed non-remunerated activities for International Cancer Imaging Society and EORTC STBSG; OMi has received honoraria for participation in advisory boards for Bayer, Blueprint Medicines, MSD, Pfizer, invited speaker fees from BMS, Eli Lilly, Ipsen, Roche and Servier, institutional research for Blueprint Medicines, Bayer, Epizyme and Eli Lilly; BM has received honoraria from Clinigen as invited speaker; EP has received honoraria for participation in advisory boards for SynOx, Daiichi-Sankyo and Deciphera Pharmaceuticals and invited speaker fees from Peer View Educational; MAP has received honoraria for participation in advisory boards for Roche, invited speaker fees from Eli Lilly, Pfizer and Novartis, expert testimony from Blueprints Medicine and institutional research grant from Novartis; SPN has received honoraria for participation in advisory board for Immunocore; PR has received honoraria for participation in advisory boards for Bayer, Clinigen, Roche, MSD, Deciphera, Mundibiopharma, PharmaMar, Blueprint Medicines, invited speaker fees from Lilly, PharmaMar, institutional research for PharmaMar, Karyopharm, SpringWorks, AROG Pharmaceuticals, Blueprint, Deciphera, Amgen, Astellas, Epizyme, Lilly, MSD, Pfizer, Novartis and Philogen, membership of German Sarcoma Foundation; PRu has received honoraria for participation in advisory boards for MSD, BMS, Pierre Fabre, Merck, Sanofi, Blueprint Medicines, invited speaker fees from MSD, BMS, Pierre Fabre, Merck, Sanofi, Novartis, institutional research funding from Pfizer, BMS and non-remunerated activities for the Polish Society of Surgical Oncology and ASCO; MS has received honoraria for travel grant from PharmaMar and writing engagement for Lilly; SS has reported a research grant from Johnson & Johnson and research funding from Roche Austria; PS has received honoraria for participation in advisory boards for Deciphera, Blueprint Medicines, Boehringer Ingelheim, Ellipses Pharma, Transgene, Exelixis, Medscape, Guided Clarity, Ysios, Modus Outcomes, Studiecentrum voor Kernenergie, Curio Science, institutional honoraria for advisory boards for Blueprint Medicines, Ellipses Pharma, Intellisphere, expert testimony for Advanced Medical/Teladoc Health, institutional research funding from CoBioRes NV, Eisai, G1 Therapeutics, Novartis and PharmaMar; SSl Chair of Centre for Personalised Cancer Treatment and Route Personalised Medicine, Dutch Science Agenda, Member of supervisory board for SkylineDX and Scientific advisory committee Pan-Cancer T BV; SSt has received honoraria for participation in advisory board for GSK; KSH reports non-remunerated activity for CTOS as President 2020 and membership of the Scandinavian Sarcoma Group; MAJvdS has performed work in clinical trials or contracted research for which the institution received financial support from Daiichi-Sankyo, Implantcast and Carbofix; WTAvdG has received institutional honoraria for participation in advisory boards of Bayer and GSK, institutional research grants from Novartis and Lilly, and consultancy work for SpringWorks; WJvH has received institutional honoraria for participation in advisory board for Belpharma, invited speaker fees from Amgen, expert testimony for Sanofi and MSD, personal travel grant from Novartis and institutional research grant from BMS; TF reported institutional research funding from the Foundation ARC and Ligue Régionale contre le Cancer, leadership role for ERN GENTURIS; PGC has received honoraria for participation in advisory board for Bayer, institutional research funding from Amgen Dompé, Advenchen, Bayer, Blueprint, Deciphera, Eli Lilly, Epizyme, Daiichi, GSK, Karyopharm, Novartis, Pfizer, PharmaMar, SpringWorks, AROG Pharmaceuticals and Eisai, non-remunerated activities for the Italian Sarcoma Group, European School of Oncology, Federation of Italian Cooperative Groups and Rare Cancers Europe; SSta has received honoraria for participation in advisory boards for Bayer, Deciphera, Eli Lilly, Daiichi, Maxivax, Novartis, invited speaker fees from GSK and PharmaMar, expert testimony fee from Bavarian Nordic and Epizyme, institutional research funding from Amgen Dompé, Advenchen, Bayer, Blueprint Medicines, Deciphera, Eli Lilly, Epizyme, Daiichi, GSK, Karyopharm, Novartis, Pfizer, PharmaMar, SpringWorks and Hutchinson MediPharma International Inc., non-remunerated activities for CTOS, Chordoma Foundation, Epithelioid Haemangioendothelioma Foundation, Desmoid Foundation, EORTC STBSG and Italian Sarcoma Group Onlus; AAS, AB, ABM, AD, AFer, AMF, AT, BB, CMo, CS, DAK, DS, FF, FLG, MM, MU PJ, RP and SBo have declared no conflicts of interests.

The oncological patients meet the diverse physicians in the different stages of their illness. It is important for other physicians to know a basic rules of supportive effective communication. There are big differences between patients in the communication style and type of information they accept. Patient´s information requirements may also change at various stages of the disease. Providing bad news is a frequent and important communication challenge for physicians. Internationally recognized and proven recommendation for communication is the six steps known as the SPIKES. Prolonging survival of cancer patients means not only communicating disease information but also information about irreversible and potentially irreversible side effects of treatment, disease complications, and limited prognosis. The communication skills are not inborn and do not necessarily improve with the clinical experience, this skill should be learned through structured communication training. Its the effective communication that lets talk sensitively about serious facts in the time-limited consultation.