AUTHOR=Chen Siying , Liu Yang , Yang Jin , Liu Qingqing , You Haisheng , Dong Yalin , Lyu Jun TITLE=Development and Validation of a Nomogram for Predicting Survival in Male Patients With Breast Cancer JOURNAL=Frontiers in Oncology VOLUME=9 YEAR=2019 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2019.00361 DOI=10.3389/fonc.2019.00361 ISSN=2234-943X