男,29岁,广东人。因反复咳嗽、咳白痰、咯血2个月,于1985年12月30日入我院内科。X线胸片见左肺门阴影,当时拟诊为:①支气管扩张?②肺结核?③肺癌待排除。入院后经止血治疗,症状缓解,于1986年1月10日出院。1月10日曾作支纤镜检查,提示左肺支气管慢性炎症改变,余未见异常。2月3日又因咯血增多(最多达300ml/日),再次入我院内科。X线检查左肺阴影较前增大(约6cm)。临床拟诊 Male, 29 years old, Cantonese. Because of repeated coughing, cough and sputum, hemoptysis for 2 months, on December 30, 1985 into our hospital. X-ray see left hilar shadow, was diagnosed as: 1 bronchiectasis? 2 tuberculosis? 3 lung cancer to be excluded. He was treated by hemostasis after admission and his symptoms were relieved. He was discharged on January 10, 1986. On January 10, a fiberoptic microscopy examination was performed, suggesting that the chronic inflammatory changes in the left lung bronchus were not abnormal. On February 3, due to an increase in hemoptysis (up to 300 ml/day), he was admitted to our department again. X-ray examination of the left lung shadow increased (about 6cm). Clinical diagnosis