原发性支气管肺癌是当今世界严重威胁人类的健康与生命的恶性肿瘤,我国肺癌的发病率几乎呈直线上升,而目前肺癌病人确诊时70%～80%已为晚期[1],因此治愈率不高。为提高治愈率,在临床上如何达到早期诊断肺癌病人已成为内科医师的重要课题之一,而肺癌的副癌综合征较常见,有相当部 Primary bronchial lung cancer is a malignant tumor that poses a serious threat to the health and life of human beings in the world. The incidence of lung cancer in our country is almost linearly increased. At present, 70% ~ 80% of the patients with lung cancer have been diagnosed as late stage [1] not tall. To improve the cure rate, how to achieve early diagnosis of lung cancer patients has become an important issue of physicians, and lung cancer paraneoplastic syndrome is more common, there are considerable