Department of Breast Surgery;
National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital;
Chinese Academy of Medical Sciences and Peking Union Medical College;
Department of Breast Surgery;
Cancer Hospital of Huanxing Chaoyang District Beijing;
Office for Cancer Registry;
National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital;
Chinese Academy of Medical Sciences and Peking Union Medical College;
Department of Epidemiology;
National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital;
Chinese Academy of Medical Sciences and Peking Union Medical College;
Pritzker School of Medicine;
University of Chicago;
Department of Clinical Laboratory;
National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital;
Chinese Academy of Medical Sciences and Peking Union Medical College;
Pharmacy Department;
Kailuan General Hospital;
Surgery Department;
Maternal and Child Health Care Hospital of Yanqing District Beijing;
Office of Cancer Screening;
National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital;
Chinese Academy of Medical Sciences and Peking Union Medical College;
Breast neoplasms; drug therapy; amenorrhea; menopause; logistic models;