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Cheng-Fu Cai,1,2,* Jia-Yuan Sun,3,* Zhen-Yu He,3 Huan-Xin Lin,3 Fa-Rong Liu,2,4 Yan Wang3 1Department of Otolaryngology-Head and Neck Surgery, Affiliated First Hospital, Medical College, Xiamen University, 2Teaching Hospital of Fujian Medical University, Xiamen, 3Department of Radiation Oncology, State Key Laboratory of Oncology in South China, Collaborative Innovation Center of Cancer Medicine, Sun Yat-Sen University Cancer Center, Guangzhou, 4Department of Psychology, Affiliated First Hospital, Medical College, Xiamen University, People’s Republic of China *These authors contributed equally to this work Background: The aim of this study was to investigate the clinicopathological characteristics, treatment, and survival of cystadenocarcinoma of the salivary gland.Patients and methods: Cases in the Surveillance, Epidemiology, and End Results database from 1991 to 2012 were identified. Factors significantly associated with survival were identified using Kaplan–Meier survival analysis and Cox proportional hazard regression.Results: A total of 65 patients were identified; of these patients, 64 received surgical treatment, 25 underwent lymphadenectomy, and four (16.0%) patients had nodal metastasis and only one (2.1%) patient had poorly differentiated disease. The most common tumor location was the parotid gland (87.7%). The median follow-up was 55months. None of the patients died of salivary gland malignant-tumor-related disease. The 5- and 10-year cause-specific survival rates were 97.0% and 81.4%, respectively. The 5- and 10-year overall survival rates were 84.6% and 60.7%, respectively. Surgical procedures, lymphadenectomy, and adjuvant radiotherapy did not affect survival.Conclusion: Salivary gland cystadenocarcinoma is extremely rare but has an excellent prognosis, and surgery is the mainstay of treatment. Keywords: cystadenocarcinoma, salivary gland, SEER, treatment, survival

Min-Qiang Lin,1,* Yue-Ping Li,2,* San-Gang Wu,3 Jia-Yuan Sun,4 Huan-Xin Lin,4 Shi-Yang Zhang,5 Zhen-Yu He4 1Department of Scientific Management, The First Affiliated Hospital of Xiamen University, Xiamen, 2Public Health School of Fujian Medical University, Fuzhou, 3Department of Radiation Oncology, The First Affiliated Hospitalof Xiamen University, Xiamen,4Department of Radiation Oncology, State Key Laboratory of Oncology in South China, Collaborative Innovation Center of Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, 5Department of Hospital Infection Management, The First Affiliated Hospital of Xiamen University, Xiamen, People’s Republic of China *These authors contributed equally tothis work Background: To compare the clinicopathologic characteristics and survival of Chinese and Caucasian esophageal cancer (EC) patients residing in the US, using a population-based national registry (Surveillance Epidemiology and End Results [SEER]) database. Methods: Patients with EC were identified from the SEER program from 1988 to 2012. Kaplan–Meier survival methods and Cox proportional hazards regression were performed.Results: A total of 479 Chinese and 35,748 Caucasian EC patients were identified. Compared with Caucasian patients, the Chinese patients had a later year of diagnosis, remained married after EC was diagnosed, had esophageal squamous cell carcinomas (ESCCs) more frequently, had tumors located in the upper-third and middle-third of the esophagus more frequently, and fewer patients presented with poorly/undifferentiated EC and underwent cancer-directed surgery. In Chinese patients, the incidence of esophageal adenocarcinomas (EACs) increasedfrom 1988 to 2012 (P=0.054), and the majority of EAC patients had tumors located in the lower thoracic esophagus. The overall survival (OS) was not significantly different between Chinese and Caucasian patients (P=0.767). However, Chinese patients with ESCC had a significantly better OS when compared to their Caucasian counterparts, whereas there was no significant difference in the OS between Chinese and Caucasian patients with EAC.Conclusion: The presenting demographic features, tumor characteristics, and outcomes of EC patients differed between Chinese and Caucasian patients residing in the US. Chinese patients diagnosed with EAC tended to share similar clinical features with their Caucasian counterparts, and the Chinese patients with ESCC had better OS than their Caucasian counterparts. Keywords: esophageal cancer, Chinese, Caucasian, SEER, survival&nbsp

Jia-Yuan Sun,1,* San-Gang Wu,2,* Feng-Yan Li,1 Huan-Xin Lin,1 Zhen-Yu He1 1Department of Radiation Oncology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center of Cancer Medicine, Guangzhou, People’s Republic of China; 2Department of Radiation Oncology, Xiamen Cancer Center, TheFirst Affiliated Hospital of Xiamen University, Xiamen, People’s Republic of China *These authors contributed equally tothis work Background: To assess the prognostic value of progesterone receptor (PR) expression in patients with hormone receptor-positive and human epidermal growth factor receptor 2 (HER2)-negative breast cancer subgroups.Methods: A retrospective review of breast cancer patients who underwent mastectomy or breast-conserving surgery between January 1998 and December 2007 was performed. The prognostic impact of PR status on disease-free survival (DFS) was analyzed.Results: Of the 1,301 patients included in this study, the median follow-up time was 64 months, and the median age was 46 years. There were 18.4% of patients (n=219) with PR negative (PR–) cancer. Women with PR– breast cancer were more likely to be postmenopausal (P

Jian Qin,1,* San-Gang Wu,2,* Jia-Yuan Sun,3 Huan-Xin Lin,3 Zhen-Yu He,3 Qun Li31Department of Radiation Oncology of Clinical Cancer Center, the People’s Hospital of Guangxi Zhuang Autonomous Region, Nanning, People’s Republic ofChina; 2Department of Radiation Oncology, Xiamen Cancer Center, the First Affiliated Hospital of Xiamen University, Xiamen, People’s Republic of China; 3Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Department of Radiation Oncology, Collaborative Innovation Center of Cancer Medicine, Guangzhou, People’sRepublic of China*These authors contributed equally tothis workBackground: The aim of this study was to evaluate the prognostic value of ABO blood group in Chinese patients with esophageal squamous cell carcinoma (ESCC) after esophagectomy.Methods: This study was a retrospective review of the records of 548 patients with ESCC who received cytoreductive surgery between October 2002 and March 2007. The prognostic impact of ABO blood group on overall survival (OS) was analyzed.Results: The median follow-up time was 37months, and the 5-year OS was 43.3%. Theoverall 5-year OS was 41.2%, 49.7%, 44.0%, and 29.8% for the A, B, O, and AB groups, respectively (P=0.038). Among patients with negative lymph nodes (LNs), the 5-year OS was 59.0%, 68.2%, 57.9%, and 28.6% for the A, B, O, and AB groups, respectively (P

San-Gang Wu,1,* Jia-Yuan Sun,2,* Juan Zhou,3,* Feng-Yan Li,2 Qin Lin,1 Huan-Xin Lin,2 Zhen-Yu He2 1Xiamen Cancer Center, Department of Radiation Oncology, the First Affiliated Hospital of Xiamen University, Xiamen, People's Republic of China; 2Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Department of Radiation Oncology, Collaborative Innovation Center of Cancer Medicine, Guangzhou, People’s Republic of China; 3Xiamen Cancer Center, Department of Obstetrics and Gynecology, the First Affiliated Hospital of Xiamen University, Xiamen, People's Republic of China *These authors contributed equally to this work Background: The purpose of this study was to investigate the prognosis of ipsilateral supraclavicular lymph node metastasis (ISLM) without evidence of distant metastases at diagnosis in Chinese women with breast cancer and to elucidate the clinical value of adjuvant radiotherapy. Methods: We performed a retrospective analysis of clinical data for 39 patients with ISLM from breast cancer without distant metastasis at diagnosis. Combined modality therapy, consisting of neoadjuvant chemotherapy, surgery, and adjuvant chemotherapy with or without adjuvant radiotherapy, was offered to the patients. Results: The patients in this study accounted for 1% of all breast cancer patients treated during the same time period. The median follow-up was 35 months. The 5-year locoregional recurrence-free survival, distant metastasis-free survival, disease-free survival (DFS), and overall survival (OS) were 57.3%, 42.3%, 34.4%, and 46.2%, respectively. Twenty-three patients received postoperative adjuvant radiotherapy. However, there was no significant difference in the 3- and 5-year locoregional recurrence-free survival (P=0.693), ISLM-free recurrence (P=0.964), distant metastasis-free survival (P=0.964), DFS (P=0.234), and OS (P=0.329) rates between the groups of patients who received or did not receive adjuvant radiotherapy (P=0.840). No significant difference in the 3-year locoregional control rate (P=0.900) was found between patients who were treated with adjuvant radiotherapy at ≤50 Gy and >50 Gy. Univariate analysis showed that clinical tumor size stage and age were prognostic factors that impacted DFS and OS. Conclusion: Combined modality treatment may achieve satisfactory efficacy in Chinese women with ISLM from breast cancer without distant metastasis at the time of diagnosis, suggesting that ISLM might be considered a curable locoregional disease. Adjuvant radiotherapy did not, however, improve the results of these patients. Keywords: prognosis, breast cancer, supraclavicular lymph node-metastasis, radiotherapy

Juan Zhou,1,* Jia-Yuan Sun,2,* Shan-Yu Chen,3 Feng-Yan Li,2 Huan-Xin Lin,2 San-Gang Wu,3 Zhen-Yu He2 1Department of Obstetrics and Gynecology, Xiamen Cancer Center, The First Affiliated Hospital of Xiamen University, Xiamen, 2Department of Radiation Oncology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center of Cancer Medicine, Guangzhou, 3Department of Radiation Oncology, Xiamen Cancer Center, The First Affiliated Hospital of Xiamen University, Xiamen, People’s Republic of China *These authors contributed equally tothis work Objective: To investigate the prognostic value of the lymph node ratio (LNR) in patients with small-cell carcinoma of the cervix (SCCC) after cancer-directed surgery using a population-based national registry (Surveillance Epidemiology and End Results [SEER]).Methods: We retrospectively reviewed the data of SCCC patients in the SEER database from 1980 to 2012. The prognostic impact of LNR with respect to cause-specific survival (CSS) and overall survival (OS) was analyzed.Results: A total of 118 patients with SCCC were identified. The median follow-up was 30.5months. All these patients were treated with cancer-directed surgery and lymphadenectomy. Sixty (50.8%) patients had nodal metastases. The median LNR was 0.16 in patients with positive lymph nodes. Univariate analysis showed that prognostic factors such as International Federation of Gynecology and Obstetrics (FIGO) stage, nodal status, LNR, and local treatment modalities affected CSS and OS (P