近年来,很多国家的统计资料表明,肺癌的发病率在不断的增长,英、美、西德等24个工业化国家及地区肺癌的病死率已居恶性肿癌的首位。我国随着工业的发展,肺癌的发病率及死亡率也在不断增高,北京市的肺癌死亡率已居恶性肿癌之首,上海为第二位。作为肺部疾患检查和诊断手段之一的肺功能检查,对肺癌患者手术适应症的确立,预后的判断,放疗及化疗对肺部损害的早期 In recent years, statistics from many countries have shown that the incidence of lung cancer continues to increase. The mortality rates of lung cancer in 24 industrialized countries and regions such as the United Kingdom, the United States, and West Germany are among the highest for malignant tumors. With the development of industry in our country, the incidence and mortality of lung cancer are also increasing. Beijing’s lung cancer mortality ranks first in malignant tumors and Shanghai ranks second. Pulmonary function tests as one of lung disease examination and diagnosis methods, establishment of surgical indications for lung cancer patients, judgment of prognosis, early stage of lung damage caused by radiotherapy and chemotherapy