本文分析了本院1988年以SP T_1N_0M_0、T_2N_0M_0为诊断标准的Ⅰ期肺癌55例。其中12例(21.8％)是体检、43例(78.2％)是因病就诊发现肺内病灶。以咳嗽、痰血为第一症状者28例(50.9％)。纤支镜检查中央型组阳性率:95.5％,周围型通过纤支镜肺活检、经皮肺活检等检查。11例进行胸部CT检查,了解纵隔与肺门淋巴结,与术后病理对照符合率:90.9％。本组3例SPT_1N_0M_0 This article analyzed 55 cases of stage I lung cancer in our hospital in 1988 with SP T_1N_0M_0, T_2N_0M_0 as the diagnostic criteria. Twelve cases (21.8%) were physical examinations and 43 cases (78.2%) were diagnosed with lung lesions. There were 28 cases (50.9%) with cough and sputum as the first symptom. The positive rate of bronchoscopy in the central group was 95.5%, and the peripheral type was examined by bronchoscopic lung biopsy and percutaneous lung biopsy. Eleven patients underwent chest CT examination to understand the mediastinal and hilar lymph nodes. The coincidence rate with postoperative pathology was 90.9%. This group of 3 cases of SPT_1N_0M_0