为了提高肺癌的早期诊断丰，本文报道1988年至1997年因各种原因造成延误诊断的中央型肺癌12例，对其得读原因进行分析。方法男9例，女3例，年龄35岁～76岁，因发热、咳嗽、胸病来院。伴痰血2例，起病时间1周～6个月。首次胸片提示肺炎6例，支气管炎2例，浸润型肺结核4例。伴高 In order to improve the early diagnosis of lung cancer, this article reported 12 cases of central lung cancer with delayed diagnosis from 1988 to 1997 due to various reasons. Methods Males 9 cases, 3 females, aged 35 to 76 years old, came to the hospital due to fever, cough, chest disease. With 2 cases of bleeding, onset time 1 week to 6 months. The first chest radiograph revealed six cases of pneumonia, two cases of bronchitis, and four cases of infiltrative tuberculosis. With high