本世纪以来,世界上许多国家和地区,原发性肺癌(以下简称肺癌)的发病率和死亡率逐年增长。根据一些统计资料,男性肺癌的发病率在苏格兰为81.89/10万、英国为72.42/10万、美国为46.77/10万,苏联为51.1/10万。肺癌的死亡率与40年前比较,男性增加18倍,女性增加6倍。肺癌的外科治 Since this century, the incidence and mortality of primary lung cancer (hereinafter referred to as lung cancer) have increased year by year in many countries and regions in the world. According to some statistical data, the incidence of male lung cancer is 81.89 per 100 000 in Scotland, 72.42 per 100 000 in the United Kingdom, 46.77 per 100 000 in the United States, and 51.1 per 100 000 in the Soviet Union. The mortality rate of lung cancer is 18 times that of men and 40 times that of women 40 years ago. Surgical treatment of lung cancer