Preoperative Pectoralis Muscle Index Predicts Distant Metastasis-Free Survival in Breast Cancer Patients - Wen-juan Huang; Meng-lin Zhang; Wen Wang; Qing-chun Jia; Jia-rui Yuan; Xin Zhang; Shuang Fu; Yu-xi Liu; Shi-di Miao; Rui-tao Wang (Frontiers in Oncology, 2022)