１９９１年３月～１９９７年３月，健康体检时发现肺孤立性结节６３例，误诊为结核瘤行抗结核治疗无效，经外科手术治疗，病理诊断为肺腺癌。１　临床资料与方法本组共６３例，男５６例，女７例。年龄２０～７２岁，平均５２岁。按年龄不同分为两组，Ａ组：＜４０岁，２３例；? From March 1991 to March 1997, 63 cases of solitary pulmonary nodules were found during physical examination. Misdiagnosis of tuberculoma was ineffective for anti-tuberculosis treatment. After surgical treatment, the pathological diagnosis was lung adenocarcinoma. 1 Clinical data and methods A total of 63 patients in this group included 56 males and 7 females. Age 20 to 72 years old, average 52 years old. Divided into two groups according to age, A group: <40 years old, 23 cases;