患者，男，44岁，因反复咳嗽，胸痛一月于1989年2月16日入院，入院时胸片提示右下肺阴影，CT怀疑为肺癌。查体：一般情况好，全身浅表淋巴结不大，全身皮肤未扪及皮下结节及包块，心、肺、复部体征均呈阴性，无杆状指、趾。入院诊断肺癌可能性大。OT试验阴性，痰涂片找抗酸杆菌三次阴性，痰找脱落细胞三次均呈阴性，纤维支气管镜刷检涂片见大量粘膜、核异质细胞及类症细胞。腹部B超无阳性发现，用青霉素抗感染治疗2周，上述症状无明显缓解。入院后20天，剖胸探查发现右肺满布散在结节，肺门及纵隔也有多个结节，取结节送病理检查见大 The patient, male, 44 years old, was admitted to hospital on February 16, 1989 due to recurrent cough and chest pain. At the time of admission, his right lower lung was shadowed by a chest radiograph and CT was suspected to be lung cancer. Physical examination: the general situation is good, systemic superficial lymph nodes is not large, the whole body skin palpable subcutaneous nodules and mass, heart, lung, complex signs were negative, no rod-like, toe. Admission to diagnose lung cancer is likely. OT test negative sputum smear find acid-fast bacilli negative three sputum find exfoliated cells were negative three times, bronchoscopy brush smear see a large number of mucosa, nuclear allogeneic cells and the like cells. Abdominal B-positive no positive, with penicillin anti-infective treatment for 2 weeks, no significant relief of the above symptoms. 20 days after admission, thoracotomy exploration found that the right lung covered with loose nodules, hilar and mediastinal also have multiple nodules, nodular sent pathological examination to see large