2.

病例2，女性，76岁，30年前行右乳腺癌改良根治术，术后放疗致皮肤溃疡经久不愈，切除肿瘤80 mm×50 mm，骨性胸壁缺损为100 mm×80 mm，皮损面积达到200 mm×200 mm，因感染，未行人工材料修补，仅广泛游离左侧乳腺及上腹部皮瓣修补软组织。

Case 2, 76-year old female, underwent radical mastectomy followed by radiotherapy. Local skin ulcer prolong for 30 years. She underwent CWRR, and the tumor was 80 mm×50 mm, the defect of bony chest wall was 100 mm×80 mm, and the soft tissue defect reached to 200 mm×200 mm. Due to infection, synthetic materials were not used, widely dissociative skin flaps were used to repair the large chest wall defect.