Prognostic nomogram for elderly breast cancer patients with 1-2 positive nodes who underwent mastectomy and different axillary surgeries: a SEER-based study
ZENG Feng , LI Dan , SHAO Xinxin , ZHANG Nengying , CHEN Xinghan , CHENG Xiaoming
China Oncology . 2021, (4): 323 -329 .  DOI: 10.19401/j.cnki.1007-3639.2021.04.012