胸部软组织恶性巨细胞瘤２例黄培臣张辉＊刘庆福任胜春例１，男，６５岁。胸背部无痛性肿块１年，６个月前在当地医院行肿块切除，术后４个月复发，来院就诊。查体：右肩胛角下方可见４ｃｍ×３ｃｍ和３ｃｍ×２ｃｍ包块，肿块质硬，不活动。Ｘ线片示：肩胛骨及肋骨无异常... Malignant giant cell tumor of chest soft tissue 2 cases Huang Peichen Zhang Hui * Liu Qingfu Ren Shengchun Example 1, male, 65 years old. Painless masses on the chest and back were removed for 1 year. Six months ago, tumors were removed at the local hospital. They relapsed 4 months after surgery and came to the hospital. Examination: 4cm × 3cm and 3cm × 2cm masses are visible below the right shoulder angle. The mass is hard and inactive. X-ray film shows that there is no abnormality in the scapula and ribs...