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“肺癌”是目前世界公认的“癌中之王”。过去30年间,我国肺癌死亡率上升了465%,成为上升速度最快的癌症,并且已取代肝癌成为我国首位肿瘤死因。我国近20年来癌症呈现年轻化及发病率和死亡率“三线”走高的趋势。全国肿瘤登记中心发布的《2012中国肿瘤登记年报》显示,每分钟就有6人确诊为癌症。有大量资料表明,长期大量吸烟与肺癌的发生有非常密切的关系,长期大量吸烟者患肺癌的概率是不吸烟
“Lung cancer ” is currently recognized “king of cancer ”. In the past 30 years, the death rate of lung cancer in our country has risen by 465%, becoming the fastest rising cancer and has replaced liver cancer as the first cancer death cause in China. In the recent 20 years in our country, cancer shows a tendency of becoming younger and the morbidity and mortality are higher. National Cancer Register released the “2012 China Cancer Register Annual Report” shows that every minute there are 6 people diagnosed with cancer. There is a large amount of data showing that there is a very close relationship between long-term mass smoking and the occurrence of lung cancer. The probability of long-term mass smokers suffering from lung cancer is non-smoking