近年来肺癌的发病率在全球范围内仍呈持续上升的趋势,在中国尤为明显。中国医学科学院肿瘤医院、国家癌症中心赫捷院士等在国际杂志上发表了《2015年中国癌症统计》文章,指出中国发病率最高的四大癌症依次为肺癌、胃癌、肝癌、食管癌。我国肺癌的发病率和死亡率呈持续走高 In recent years, the incidence of lung cancer in the world continues to show a rising trend, especially in China. Tumor Hospital of Chinese Academy of Medical Sciences and Academician Hu Jie, National Cancer Center, published the article “2015 China Cancer Statistics” in international journals and pointed out that the four cancers with the highest incidence in China are lung cancer, gastric cancer, liver cancer and esophageal cancer in turn. The incidence and mortality of lung cancer in our country have been continuously rising