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Background: The knowledge of cancer burden in the population, its time trends, and the possibility of international comparison is an important starting point for cancer programs. A reliable interactive tool describing cancer epidemiology in children and adolescents has been nonexistent in the Czech Republic until recently., Objective: The goal of this study is to develop a new web portal entitled the Czech Childhood Cancer Information System (CCCIS), which would provide information on childhood cancer epidemiology in the Czech Republic., Methods: Data on childhood cancers have been obtained from the Czech National Cancer Registry. These data were validated using the clinical database of childhood cancer patients and subsequently combined with data from the National Register of Hospitalised Patients and with data from death certificates. These validated data were then used to determine the incidence and survival rates of childhood cancer patients aged 0 to 19 years who were diagnosed in the period 1994 to 2016 (N=9435). Data from death certificates were used to monitor long-term mortality trends. The technical solution is based on the robust PHP development Symfony framework, with the PostgreSQL system used to accommodate the data basis., Results: The web portal has been available for anyone since November 2019, providing basic information for experts (ie, analyses and publications) on individual diagnostic groups of childhood cancers. It involves an interactive tool for analytical reporting, which provides information on the following basic topics in the form of graphs or tables: incidence, mortality, and overall survival. Feedback was obtained and the accuracy of outputs published on the CCCIS portal was verified using the following methods: the validation of the theoretical background and the user testing., Conclusions: We developed software capable of processing data from multiple sources, which is freely available to all users and makes it possible to carry out automated analyses even for users without mathematical background; a simple selection of a topic to be analyzed is required from the user., (©Denisa Krejčí, Matěj Karolyi, Lucie Pehalová, Jakub Ščavnický, Michaela Zapletalová, Ivana Katinová, Jaroslav Štěrba, Jan Starý, Lenka Šnajdrová, Martin Komenda, Ladislav Dušek. Originally published in JMIR Public Health and Surveillance (https://publichealth.jmir.org), 29.06.2021.)

The article describes the development of oncosurgery in the Czech Republic since the beginning of the century, as well as other perspectives regarding this specialty. The development of surgical treatment of solid malignant tumours in the Czech Republic was evaluated according to the National Cancer Register database and compared to the neighbouring countries, and the educational system of surgeons in oncosurgery was assessed. Although surgery plays a key role in cancer therapy, starting from the beginning of this millennium it has been pushed aside as a service specialty for other disciplines in oncology. In 2002, these changes were supported by the activities of the newly founded Division of Oncosurgery under the Czech Society for Oncology, which became part of the Czech Surgical Society in 2016. An official educational programme of surgeons in oncology was successfully implemented and since 2011, a specialization examination in oncosurgery has been introduced, organized by the subdepartment of oncosurgery of the Institute of Postgraduate Medical Education (IPVZ), Prague. To date, this examination has been completed by 112 physicians and approximately the same number is currently registered in the educational programme. Currently, 34 centres are accredited for education in oncosurgery. The establishment of Complex Oncology Centres based on an initiative of the Czech Society for Oncology of 2006 only addressed pharmaceutical and radiation oncology. Despite progress in oncosurgery, more clearly defined conditions for this specialty are needed. Conclusion: The education of surgeons in oncosurgery should be continued. It is necessary to expand the number of centres with accreditation for oncosurgery and develop a concept for oncosurgery in the Czech Republic which would be associated with rational concentration of this treatment in connection with organization and provision of continuous urgent and acute surgical care in the Czech Republic, including control mechanisms to ensure its quality. This proposal should be discussed by the Czech Surgical Society in order to further enhance the quality of oncosurgery in the Czech Republic.

Background: The costs of oncology treatments are increasing, due to the rising prevalence of malignant diseases and the introduction of expensive novel anti-cancer agents. The new European Society for Clinical Oncology (ESMO) has recently developed a new parametric system to evaluate the clinical benefit of drugs. The Magnitude of Clinical Benefit Scale (ESMO-MCBS) compares the contribution of a novel drug based on overall and progression-free survival and quality of life with those of current treatment options., Material and Methods: An expert group of the Czech Oncological Society conducted an assessment based on published data and an ESMO-MCBS methodology for antineoplastic agents used for the treatment of solid tumors with limited reimbursement to Comprehensive Cancer Centers. We evaluated drugs categorized as "S" that were eligible for public health insurance as of January 1, 2017., Results and Conclusion: The ESMO-MCBS score is a promising new parameter for the evaluation of new anticancer drugs. The ESMO-MCBS method for assessing the clinical benefit of drugs is simple, robust, and reproducible. The advantage of the assessment is that it is not based on a single index but rather combines several dimensions of drug performance. This parameter will be gradually added to Czech cancer guidelines. Scores obtained in the majority of cases correspond to the observed benefit of a drug in routine clinical practice.Key words: tumors - farmacotherapy - assesment study as a subject - survival - protocols of anti-cancer therapy The authors declare they have no potential conflicts of interest concerning drugs, products, or services used in the study. The Editorial Board declares that the manuscript met the ICMJE recommendation for biomedical papers.Submitted: 3. 5. 2017Accepted: 20. 6. 2017.

Population ageing presents a challenge to oncological care due to the particularities of cancer treatment in this population. We evaluate cancer epidemiology, treatment and survival, in the Czech Republic by age groups. Data published by the Czech National Cancer Registry from the years 2006 to 2010 were used for this study. The following cancer types were evaluated: colorectal, pancreatic, head and neck, lung, skin melanoma, breast, gynaecological, prostate, kidney and stomach cancers. The following data were recorded and analysed: crude incidence by 5-year age group; dynamics of crude incidence rates in the age group ≥70 years; disease stage; percentage of patients treated by surgery, radiotherapy and chemotherapy; and age standardised 1-year mortality and 5-year relative survival according to age group. Patients over age 70 accounted for 41% and 46%, respectively, of the cancer incidence and mortality of the whole population. Anticancer therapies are significantly less common in patients over age 70 (P < 0.050), with the exception of skin melanoma. Survival was markedly worse in older patients (P < 0.050) when radical treatment modalities were significantly underused (P < 0.050). In the Czech Republic, the crude cancer incidence in seniors is increasing. In general, elderly patients are undertreated, with worse treatment results compared with younger patients., (© 2015 John Wiley & Sons Ltd.)

Background: The objective of this study was to assess trends in overall and in stage-specific 5-year relative survival rates of the Czech cancer patients between periods 2000-2004 and 2005-2008., Methods: All Czech cancer patients diagnosed between 1995 and 2008 were included in the analysis. Period analysis was employed to calculate 5-year relative survival for 21 cancers., Results: Significant improvements in crude 5-year relative survival for 14 of 21 assessed types of cancer, including the most frequent diagnoses, such as, colorectal, prostate, breast, lung, kidney, pancreatic, and bladder cancer and melanoma, were identified. Moreover, in case of colorectal, lung, and prostate cancer, improvement in stage-specific 5-year relative survival was confirmed as statistically significant for all clinical stages. No diagnosis showed significant decrease in the 5-year relative survival. However, the 5-year relative survival remained poor in patients with metastatic cancers at diagnosis, particularly in case of liver, pancreatic, lung, and oesophageal cancer., Conclusions: The cancer-specific outcomes in the Czech Republic are improving. Nevertheless, despite the overall significant improvement in 5-year relative survival of most of the cancer diagnoses, the high proportion of patients primarily diagnosed with metastatic cancer still represents a substantial challenge for prevention and early detection., (Copyright © 2013 Elsevier Ltd. All rights reserved.)

International data document that the Czech Republic ranks among the countries with the highest cancer burden in Europe and worldwide. Preventable cancer diseases, i.e. colorectal, breast, and cervical cancer, are among the most frequent types. These international studies also bring some positive information, e.g., stabilised or slightly decreasing mortality, better treatment outcomes and patient survival rates. However, it should be noted that, with regard to the high population burden, these results are achieved at the very high price of costly modern cancer treatment.

The Czech Society for Oncology has developed an information system which combines the population-based Czech National Cancer Registry with clinical databases in order to cover the main areas of health care assessment - monitoring of the population burden, prediction of the number of cancer patients, diagnostic and treatment results. The presented data demonstrate a high cancer burden within the Czech population - each year there are approximately 8,000 new cases of colorectal cancer, 6,500 new cases of breast cancer, and 1,000 new cases of cervical cancer. And each year, about 4,000 people die from colorectal cancer, around 2,000 women die from breast cancer, and approximately 400 women die from cervical cancer in the Czech Republic. Population-based screening programmes focus on all of the above-mentioned groups of malignant tumours; therefore, it is essential to monitor epidemiological trends in order to assess the screening impact. Despite the high incidence rates of all three cancer types, the trend in mortality rates has been stable or has even decreased in the long term, which has inevitably led to a significant increase in the total prevalence of cancer patients. In 2011, the prevalence of colorectal cancer, breast cancer and cervical cancer amounted to 51,064 people, 67,261 women and 17,398 women, respectively. When compared with the year 2001, there was a 59%, 69% and 25% increase in the prevalence of colorectal cancer, breast cancer, and cervical cancer, respectively. Undoubtedly, taking care of high numbers of cancer patients will continue to require significant financial resources in the near future. As the epidemiological burden is still on the increase, preventive programmes need to be further promoted, including secondary prevention, which is provided through organised screening programmes. Although effective methods exist for timely diagnosis of all three of the above-mentioned cancer types, the epidemiological situation in the Czech Republic is being steadily worsened by a relatively high proportion of primary cancers being diagnosed too late. Each year, more than 50% of new colorectal cancer cases are diagnosed in clinical stage III or higher; in cervical cancer, this proportion is nearly 35%. By contrast, the well-promoted breast cancer screening programme has led to more than 75% of new cases of breast cancer being diagnosed in stages I or II, when the chance of successful treatment is significantly higher.

Background: Calculating 5-year overall and relative survival is the standard method for population-based analyses in oncology. Survival rates based on population data do not, however, guarantee standardized benchmarks for comparison of different patient populations, which is especially true when compared populations differ considerably in age structure and representation of clinical stages. In this paper, we present and compare statistical methods for standardization of cancer survival rates., Patients and Methods: Using data of the Czech National Cancer Registry, we estimated 5-year overall and relative survival estimates for periods 2001- 2005 and 2006- 2010. To demonstrate the effect of standardization, we calculated crude and age -standardized survival rates as well as survival rates standardized for both age and clinical stage., Results: Our results show that the particular standardization method influences resulting 5-year overall and relative survival rates regarding both within and between time periods comparisons. In addition, our results document a recent improvement in 5-year relative survival between periods 2001- 2005 and 2006- 2010 for 19 of 20 evaluated diagnoses. All most prevalent cancers including prostate, lung, colorectal, breast, kidney, and uterine cancer and melanoma were observed among the diagnoses with statistically significantly improved patient survival., Conclusion: Unless the use of standardization to the age and stage of tumor is limited due to a small number of patients in individual age-  and stage- specific subgroups, this method can be considered as a proper statistical methodology for the population assessment of Czech cancer patient survival rates.

In January 2014, a programme of personalised invitations was launched in the Czech Republic, with the objective of inviting insured persons to cancer screening programmes; namely breast cancer screening and cervical cancer screening in women, and colorectal cancer screening both in women and men. This programme aims at strengthening the current cancer prevention programmes, and to increase the currently inadequate participation of the target population in these programmes; therefore, personalised invitations are sent to citizens who have not participated in these programmes for several years and therefore at risk of developing a serious disease. The project is coordinated by the Czech Ministry of Health in cooperation with the expert medical societies involved (gynaecology, gastroenterology, gastrointestinal oncology, diagnostic radiology, general practice), representatives of health care payers, and other experts nominated by the Minister of Health. All health care payers invite their clients (insured persons) to preventive check-ups, covering all examinations needed. The project has been realised with the assistance of financial resources from EU funds. This article describes the methodology of personalised invitations which has been implemented nationwide, its data background, and the first results of the project in the first half of 2014, when almost 1.3 million Czech citizens were invited.

There is no doubt today of the need for cancer prevention. The growing incidence of cancer itself provides a sufficient justification for prevention programmes. A review of literature presented in this paper also documents the strong background of evidence-based cancer prevention programmes. The article also provides a critical analysis of the current status of primary cancer prevention and cancer screening in the Czech Republic in contrast with available international comparisons. Relevant international data have been obtained from the regularly repeated "Health at a Glance" studies (published by the OECD). Although the Czech Republic is one of the countries with the highest cancer burden in Europe, it has failed to develop and support a cancer prevention policy on a central level, and this also applies to smoking prevention. The Czech population needs an effective national strategy for the support of cancer prevention, as well as a strategy which would ensure equitable cancer care in terms of both quality and correct indication; a strategy which would be sustainable for at least 10 to 15 years to come.Key words: oncology - screening - risk factor - prevention - population burden This study was supported by the project 36/14//NAP "Development and implementation of methodology for the evaluation of effectiveness of personalised invitations of citizens to cancer screening programmes" as part of the pro-gram-me of the Czech Ministry of Health "National action plans and conceptions". The authors declare they have no potential conflicts of interest concerning drugs, products, or services used in the study. The Editorial Board declares that the manuscript met the ICMJE "uniform requirements" for biomedical papers.

Promotion of cancer screening programmes and provision of correct and comprehensive information to the general public are essential for achieving sufficient attendance at the program-mes and fulfilling their longterm function. Various NGOs and CSOs play a very important role in this field. The article provides an overview of the most visible activities and campaigns that spread information about cancer prevention and preventive examinations in the Czech Republic.

Background: Population ageing in developed countries associated with increasing cancer incidence in higher age categories becomes a serious challenge in oncology nowadays., Aim: To review the present policy of management of senior cancer patients and to outline strategies of its improvement. Elderly patients are generally undertreated if we address current treatment standards. The elderly population is heterogenous in terms of functional status, physical and psychical impairment, comorbidities, functional reserve, socioeconomic backgroud and geriatric symptoms. There is a lack of consensus on guidelines for elderly population due to under-representation of older patients in clinical trials. Geriatric assessments could be a useful tool for medical decision making and adjusting treatment plan for a certain group of patients - those suitable for standard treatment, vulnerable group - advisable to treatment reduction, and frail patients - indicated for paliative approach. However, studies confirming effectiveness of this age-specific approach in comparison with routine clinical practice remain to be conducted., Conclusion: Clinical studies focused on senior cancer patients are urgently needed.

Czech cancer screening programmes feature a comprehensive multimodal information system which covers all the levels of assessment needed - population-based monitoring (Czech National Cancer Registry), monitoring of results in the diagnostic databases of centres, as well as the quantification of coverage and outputs of primary care according to the administrative data of health care payers. A system of personalised invitations to cancer screening programmes was launched in 2014, based on a stand-alone component of the information system which makes it possible to identify eligible clients in health care payers databases. The system was fully standardised and uniformly implemented in all health insurance companies; its functionalities also involve both continuous and retrospective assessment of the results of personalised invitation. The legislative framework in force will have to be applied and implemented for a more comprehensive and integrated employment of all involved data sources, i.e. cancer registries, screening registries, and administrative data. The system must be able to analyse de-identified individual records on clients participation in screening programmes, and thus to ensure an adequate analysis of performance indicators in compliance with international recommendations.

Breast, colorectal and cervical cancer screening programmes make it possible to decrease the population mortality rates of these diseases. How-ever, complex standards of the quality of care must be introduced and followed in order to maintain a favourable ratio between the benefits and risks arising from population-wide screening programmes. Such programmes should be organized and population-based, ensuring that quality control is performed at all levels. This review introduces the system of quality control in the Czech cancer screening programmes, and provides specific examples of performance indicators that are usable and/ or being used in these programmes. Cancer screening programmes in the Czech Republic are equipped with a comprehensive information background which involves monitoring of the cancer burden in the population, monitoring of the screening process based on clinical data, and monitoring of the screening process based on administrative data. In particular, the specific performance indicators describe the success rate of take up of the target population, ability of the screening test to reveal (sensitivity) or to exclude (specificity) the screened condition, correct employment of subsequent diagnostic methods or treatment of detected cancers or precancerous lesions where applicable. In the Czech breast cancer screening programme, these indicators are routinely used in order to monitor the individual centres; in both colorectal and cervical cancer screening programmes, these indicators are used to monitor the entire programme, whereas the system of quality control for individual centres is under continuous development. A project of personalized invitations was launched in 2014, and its results are regularly evaluated in cooperation with the Czech National Reference Centre and the Ministry of Health of the Czech Republic.

Background: As a part of the development of a new prospective payment model for radiotherapy we analyzed data on costs of care provided by three comprehensive cancer centers in the Czech Republic. Our aim was to find a combination of variables (predictors) which could be used to sort hospitalization cases into groups according to their costs, with each group having the same reimbursement rate. We tested four variables as possible predictors -  number of fractions, stage of disease, radiotherapy technique and diagnostic group., Methods: We analyzed 7,440 hospitalization cases treated in three comprehensive cancer centers from 2007 to 2011. We acquired data from the I COP database developed by Institute of Biostatistics and Analyses of Masaryk University in cooperation with oncology centers that contains records from the National Oncological Registry along with data supplied by healthcare providers to insurance companies for the purpose of retrospective reimbursement., Results: When comparing the four variables mentioned above we found that number of fractions and radiotherapy technique were much stronger predictors than the other two variables. Stage of disease did not prove to be a relevant indicator of cost distinction. There were significant differences in costs among diagnostic groups but these were mostly driven by the technique of radiotherapy and the number of fractions. Within the diagnostic groups, the distribution of costs was too heterogeneous for the purpose of the new payment model., Conclusion: The combination of number of fractions and radiotherapy technique appears to be the most appropriate cost predictors to be involved in the prospective payment model proposal. Further analysis is planned to test the predictive value of intention of radiotherapy in order to determine differences in costs between palliative and curative treatment.

This article briefly describes the development of the I-COP tool, which is designed to promote education and decision making of clinical oncologists. It is based on real data from medical facilities, which are processed, stored in database, analyzed and finally displayed in an interactive software application. Used data sources are shortly described in individual sections together with the functionality of developed tools. The final goal of this project is to provide support for work and education within each involved partner center. Clinical oncologists are therefore supposed to be the authors and users at the same time.