1　临床资料本组男 3例 ,女 4例。年龄 4 4～ 67岁 ,平均 5 6.1岁。全部经外院诊断为肺癌介绍来我院。入院时临床表现有轻度咳嗽 3例 ,无症状 4例。全部进行胸部Ｘ线或ＣＴ检查 ,见表 1。痰脱落细胞学和痰抗酸杆菌检查均阴性。血常规正常。诊治经过 :表 1中第 1,2 ,3 ,5例进行 1 Clinical data The group of 3 males and 4 females. Age 4 4 ​​~ 67 years old, with an average of 5 6.1 years old. All by the hospital for diagnosis of lung cancer introduced to our hospital. Clinical manifestations at admission were mild cough in 3 cases, asymptomatic in 4 cases. All chest X-ray or CT examination, shown in Table 1. Sputum cytology and sputum acid-fast bacilli test were negative. Normal blood. Diagnosis and treatment after: Table 1, 1, 2, 3, 5 cases