患儿，男，12岁，因左肩痛，当地医院按风湿治疗，1月后疼痛未缓解，发现左上肢无力，左手不能伸直，不能握物，伴气促，送来我院诊治，以左胸腔大量积液，胸腔肿瘤待排入院.查体：呼吸稍促，左锁骨上们及一色块约2cm×2cm×3cm，有压病，气管右移，左脚较饱满，叩浊音，左肺呼 Children, male, 12 years old, due to pain in the left shoulder, local hospitals treated with rheumatism, pain did not ease after January, found that the upper left limb was weak, the left hand could not be straightened, can not hold objects, with shortness of breath, sent to our hospital for treatment. Left pleural cavity a large number of effusion, chest tumors to be discharged into the hospital. Examination: breathing slightly, the left clavicle and a color block about 2cm × 2cm × 3cm, pressure disease, tracheal right shift, left foot more full, dull voice, left Lung call