改良根治术有两类：Auchincloss术式（保留胸大、胸小肌），Patey术式（保留胸大肌、切除胸小肌）。按暴露腋南方法不同、有多种腋窝淋巴结清扫进路。常见的有：牵开胸大肌（或加胸小肌），劈开胸大肌、切断胸大肌止点，切断胸大肌起点[1]。但这一术式普遍存在腋窝完全暴露和胸 There are two types of modified radical mastectomy: Auchincloss (preservation of pectoralis major and pectoralis minor), and Patey (preservation of pectoralis major muscle and resection of pectoralis minor). According to the method of exposing Minnan, there are multiple axillary lymph node dissections. Common are: retracted pectoralis major muscle (or plus pectoralis minor), pectoralis major muscle, cut off the pectoralis major muscle cut off, cut off the starting point of the pectoralis major muscle [1]. However, this procedure is common in the full exposure of the armpits and chest