作者分析1969年～1981间早期肺癌56例,其中手术50例,未手术6例.中心型32例,周围型24例.性别:中心型32例均为男性,周围型男性16例。年龄:中心型除1例外均在50岁以上,周围型24例中有5例在49岁以上,比中心型略为年轻。吸烟指数400以上的重度吸烟者中心型32例中有30例(93.8%)。周围型24例中有16例(66.7%)。中心塑32例有自觉症状者22例(68.8%),有咳 The authors analyzed 56 cases of early-stage lung cancer from 1969 to 1981, of which 50 cases were operated and 6 cases were unoperated. There were 32 cases of central type and 24 cases of peripheral type. Sex: Central type 32 cases were male and peripheral type 16 cases. Age: The central type was above the age of 50 with the exception of 1 and 5 cases of the peripheral type were 49 or older, slightly younger than the central type. There were 30 cases (93.8%) out of 32 cases of severe smokers with a smoking index above 400. Among the 24 cases of peripheral type, 16 cases (66.7%). 32 cases of Central Plastics had symptoms (68.8%) and had cough