乳腺癌改良根治术后皮下积液为常见并发症~([1]),主要与手术范围大、切除组织多以及创面弥漫性渗血和淋巴瘘等有关。术后皮下积液较长时间不愈,会增加患者痛苦和经济负担,延误后续治疗。有效引流是防治乳腺癌改良根治术后皮下积液的关键环节之一~([2])。随着引流方法的不断改进,乳腺癌术后皮下较大范围积液以及积液较长时间不愈合明显减少~([3])。我科 Subcutaneous fluid after radical mastectomy for breast cancer is a common complication of ~ ([1]), mainly with the scope of surgery, resection of tissue and diffuse wound bleeding and lymphatic fistula and so on. Subcutaneous fluid after a long period of healing, will increase the patient’s pain and financial burden, delay follow-up treatment. Effective drainage is the prevention and treatment of modified radical mastectomy after subcutaneous fluid is one of the key links ~ ([2]). With the continuous improvement of drainage methods, a large range of postoperative subcutaneous subcutaneous fluid and effusion a long time nonunion significantly reduced ~ ([3]). My department