| 释义 |
〔pec〕A pectoral muscle. Often used in the plural:胸肌：胸部肌肉，常用复数：〔mastectomy〕Surgical removal of all or part of a breast, sometimes including excision of the underlying pectoral muscles and regional lymph nodes, usually performed as a treatment for cancer.乳房切除术：切除乳房或部分乳房的外科手术，包括位于下层的胸部肌肉和局部淋巴节，通常作为治疗乳腺癌而实施的手术 |