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胃癌是常见的恶性肿瘤之一。全球每年新增90万胃癌患者,同时每年有70万人死于胃癌。在美国,2007年胃癌新发病例预计为21 260例,死亡人数预计为11 210例[1]。而我国是胃癌的高发区,胃癌年患病率和死亡率均是世界平均水平的2倍多。早诊断、早治疗是目前提高胃癌患者存活率的惟一
Gastric cancer is one of the common malignancies. Every year, 900,000 new gastric cancer patients are added to the world, while 700,000 people die of gastric cancer every year. In the United States, 21,260 new cases of stomach cancer are estimated in 2007, and the estimated death toll is 11,210 [1]. Our country is a high incidence of gastric cancer, the annual prevalence and mortality of gastric cancer are more than twice the world average. Early diagnosis, early treatment is the only way to improve the survival rate of patients with gastric cancer