患者女,53岁。于19个月前因左乳腺癌行左乳癌根治术,术后伤口一期愈合,切口周围皮肤光洁,近半年左乳手术区及左颞同时突然发生绿豆大小硬性疙瘩,迅速长大伴疼痛。体检:系统检查无异常。皮肤科情况:左乳区上方可见多个针尖大至花生仁大圆形、卵圆形光滑硬性结 Female patient, 53 years old. The left breast cancer was treated by left breast cancer radical surgery 19 months ago. The wounds healed for the first time. The skin around the incision was smooth and clean. At the same time, the left breast surgery area and the left fistula suddenly developed mung bean size hard palate and quickly grew up with pain. Physical examination: There is no abnormality in the system examination. Dermatology: Multiple needlepoints from the top of the left breast area to large round, oval smooth hard knots