患者男,56岁,因右肩部阵发性疼痛逐渐加重4个月、咳痰2个月入院。有吸烟史30年。体检:桶状胸,两肺呼吸音低,有少量干湿罗音。胸片见右肺尖类圆形偏中心厚壁空洞,外径6×7cm,边缘清楚,有浅分叶,洞径3cm,内有中等量液平,内壁不滑。痰抗酸杆菌(-),OT(1:2000):(一)。痰细胞学检查找到小角化鳞癌细胞。 Male patient, 56 years old, was gradually exacerbated by paroxysmal pain in the right shoulder for 4 months and was admitted to hospital with sputum for 2 months. Smoking history for 30 years. Physical examination: barrel chest, lungs breath sounds low, a small amount of dry and wet rales. Chest radiograph to see the right apex punctate circular center thick wall hollow, outer diameter 6 × 7cm, clear edge, shallow leaves, diameter 3cm, there is a moderate amount of liquid, the inner wall is not slippery. Acidophilus sputum (-), OT (1: 2000): (a). Sputum cytology to find squamous cell carcinoma.