患者,男,58岁,住院号为50474。自1961年开始有间断性轻咳,痰中偶而带血丝,鲜红或暗红色。1978年5月在外院摄X片发现左下肺有一块影如鸡蛋大小,6月13日入院。X片显示:在左肺下叶内基底段有一5cm大小之圆形阴影。边缘略呈毛 The patient, male, 58 years old, had a hospital number of 50474. Since 1961 there have been intermittent light coughs, occasionally bloody, bright red or dark red. In May 1978, she was photographed in an outside hospital and found that there was a shadow like an egg in the left lower lung and was admitted to hospital on June 13th. The X-segment showed a 5 cm circular shadow in the basement of the left lower lobe. Slightly hairy edges