研究单位：[1]First Affiliated Hospital, Sun Yat-Sen University[2]Beijing Medical Award Foundation[3]The Affiliated Cancer Hospital of Xinjiang Medical University[4]The Fourth Hospital of Hebei Medical University[5]The Third Affiliated Hospital of Kunming Medical University[6]Sun Yat-sen University[7]The Affiliated Cancer Hospital of Zhengzhou University[8]The Third Hospital of Nanchang City[9]Beijing 302 Hospital[10]Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University[11]Fujian Provincial Hospital[12]First Hospital of China Medical University[13]The Affiliated Hospital of Qingdao University[14]Guangdong Provincial People's Hospital[15]First Affiliated Hospital Xi'an Jiaotong University[16]First People's Hospital of Foshan[17]Peking University First Hospital[18]The Affiliated Hospital Of Guizhou Medical University[19]Guangdong Provincial Hospital of Traditional Chinese Medicine[20]Jiangmen Central Hospital[21]The Second Affiliated Hospital, Guangzhou Medical University[22]The First Affiliated Hospital, Zhejiang University[23]Peking University Shenzhen Hospital[24]The Second Affiliated Hospital of Harbin Medical University[25]Affiliated Sanming First Hospital of Fujian Medical University[26]Jieyang People's Hospital[27]National Clinical Research Center for Cancer/Cancer Hospital & Shenzhen Hospital[28]Shantou Central Hospital[29]The First Affiliated Hospital with Nanjing Medical University[30]Lianjiang Pepole's Hospital, Lianjiang[31]Guangdong Women and Children Hospital[32]Zhanjiang Central Hospital[33]Zhuhai Hospital of Integrated Traditional Chinese and Western Medicine
研究目的：
The goal of this observational study is to investigate the features in Chinese male breast cancer (MBC) patients. The main question it aims to answer is: - The characteristics, treatment patterns and prognosis of Chinese MBC patients. The clinicopathological characteristics, treatment information and follow-up data of participants will be extracted from a Chinese national database (Chinese Society of Clinical Oncology Breast Cancer database) and other involved Chinese centers. Researchers will investigate the features, survival associated factors and other relevant factors of this population.
