烟龄20年以上的、20岁以下开始吸烟的、每天吸烟20支以上的支修益,主任医师、教授。首都医科大学肺癌诊疗中心主任,首都医科大学宣武医院胸外科主任。中国医师协会胸外科分会常务副会长,中国抗癌协会科普宣传部部长,中国癌症基金会控烟与肺癌防治工作部主任。19世纪,肺癌还是一种十分罕见的疾病,1910年以前,全世界医学文献报 Those who smoke more than 20 years and begin to smoke below the age of 20 smoke more than 20 cigarettes a day, chief physicians and professors. Capital Medical University lung cancer clinics director, Capital Medical University Xuanwu Hospital, director of thoracic surgery. Chinese Medical Association branch of thoracic surgery executive vice president, China Anti-Cancer Association science propaganda department director, China Cancer Foundation tobacco control and lung cancer prevention and treatment department director. The 19th century, lung cancer is still a very rare disease, before 1910, the world medical literature