患者　女 ,2 3岁。胸部肿块 5年 ,近 2个月来肿块明显增长 ,大如核桃 ,轻微疼痛。曾在当地医院按胸壁结核给予抗结核治疗 1个月 ,效果不佳。查体 :胸骨柄右侧可见 4ｃｍ× 3ｃｍ大小的肿块 ,质中等 ,表面光滑 ,触压痛阳性 ,边界清 ,活动度差。右侧胸锁关节处可见 1.5ｃｍ× 1.0 Female patient, 23 years old. The chest mass was 5 years old, and the mass was significantly increased in the past 2 months. It was as large as a walnut and was slightly painful. He had given antituberculosis treatment for chest wall tuberculosis for 1 month at a local hospital, which was not effective. Examination: The size of the sternal stem visible 4cm × 3cm on the right side of the mass, medium quality, smooth surface, touch-pressure pain-positive, border clear, poor activity. 1.5cm × 1.0 at the right sternoclavicular joint