Survival benefit of adjuvant chemotherapy in elderly patients with stage I triple-negative breast cancer: a cohort study based on the SEER database - Zhang, Yuyuan; Liu, Xiaobo; Ma, Mingfang; Chen, Chunmei; Wang, Xuechang (Translational Cancer Research; Vol 12, No 7 (July 31, 2023): Translational Cancer Research, 2023)