肺癌是最常见的恶性肿瘤之一。我国全国肿瘤死亡回顾调查表明:肺癌在男性常见恶性肿瘤中占第四位,在女性中占第五位。动态观察在许多大城市中肺癌发病和死亡率近三十年来有明显上升趋向,在上海、北京市的肿瘤登记资料中近年来占首位。是当前一个严重威胁人民健康和生命的疾病,在学术上也是一个受到广泛重视的研究课题。 Lung cancer is one of the most common malignancies. A retrospective survey of national cancer deaths in China showed that lung cancer accounts for fourth among male common malignancies and fifth among females. Dynamic Observations In many major cities, the incidence and mortality rate of lung cancer have risen significantly in the past 30 years. In recent years, the tumor registration data in Shanghai and Beijing have occupied the first place. It is currently a disease that seriously threatens people’s health and life. It is also a research topic that has received extensive attention in academic fields.