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根据最新资料统计［１］，当前肺癌在全球最多发最常见的恶性肿瘤中，发病与死亡均居第一位．本文根据在国际互联网上查询到的有关资料，就全球及我国肺癌的发病，死亡及５年生存率现状进行了如下的初步分析．１９９８年全球肺病发病数为１０３．７万人，年死亡数则高达９２．１万人．我国肺癌该年的发病数为２２．９万人，年死亡数也高达２１万人．从而表明，接近９０％或以上的肺癌病人于发病年内死亡，肺癌的５年生存率亦极不理想．全球平均５年生存率为１１％。我国仅为８％，且肺癌的发病与死亡仍在是较大幅度增长趋势．因此，加强肺癌的诊治研究及一、二级预防已成为世界各国共同关注的重要课题．
According to the latest statistics [1], the current lung cancer in the world’s most common malignancy, the highest incidence and death ranked first. This article based on the relevant information found on the Internet, on the global and China’s incidence of lung cancer, death and 5-year survival rate of the status of the following preliminary analysis. In 1998, the number of lung diseases in the world was 1.037 million and the annual death toll was as high as 921,000. The incidence of lung cancer in our country was 229,000 in this year, and the annual death toll was as high as 210,000. Thus, nearly 90% or more of lung cancer patients died within the year of onset, lung cancer 5-year survival rate is also very unsatisfactory. The global average 5-year survival rate is 11%. China is only 8%, and the incidence of lung cancer and death are still more substantial growth trend. Therefore, to strengthen the diagnosis and treatment of lung cancer research and primary and secondary prevention has become an important issue of common concern of all countries in the world.