肺癌是目前对人类生命威胁最大的恶性肿瘤之一 ,而且其发病率在持续不断地增长 ;有人预测 ,艾滋病与肺癌可能是 2 1世纪最常见的疾病。虽然人们对肺癌的防治做了大量的研究工作 ,但仍不奏效。究其原因是人们对肺癌的发病机制尚未彻底了解 ,缺乏有效的防治措施。近年来人们从分 Lung cancer is currently one of the most dangerous malignant tumors to human life, and its incidence continues to increase. It has been predicted that AIDS and lung cancer may be the most common diseases in the 21st century. Although people have done a lot of research on the prevention and treatment of lung cancer, they still do not work. The reason is that people have not fully understood the pathogenesis of lung cancer and lacked effective prevention and control measures. In recent years, people have