收集行纤支镜检查的病人４０６例，经行胸部正侧位照片，胸部ＣＴ检查，有组织学或细胞学报告证实的肺癌１９６例，其中诊断为中央型肺癌８２例，占肺癌的４１．８３％；两肺上叶多于两肺下叶，右肺多于左肺；病理类型以鳞癌最多见，占３４例（４１．４６％）。 406 patients who underwent bronchoscopy were collected and thoracic images were taken on the chest, chest CT, and 196 lung cancers were confirmed by histological or cytological reports. Of these, 82 were diagnosed as central lung cancer, accounting for 41.1% of lung cancer. 83%; more than two lobes of the upper lobe of the two lungs, and more than the right lung; the pathological type is most common in squamous cell carcinoma, accounting for 34 cases (41.46%).