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胃癌是最常见的消化道恶性肿瘤,全世界大约有2/3的胃癌发生在发展中国家,东亚地区仍以非贲门部的胃癌为主,其中42%的胃癌病例数发生在中国,死亡率为欧美发达国家的4~8倍[1]。虽然邹小农等[2]对中国死因回顾抽样调查报告数字显示,2004~2005年全国胃癌从1973~1975年和1990~1992年均稳居恶性肿瘤首位后移至肺癌和肝癌之后的第3位,胃癌死亡率呈下降趋势;但是郑朝旭等[3]对2012年收集的我国
Gastric cancer is the most common malignant tumor of the digestive tract. About two-thirds of gastric cancers occur in developing countries in the world. Gastroenteritis is still the main cancer in East Asia. 42% of gastric cancer cases occur in China. Mortality It is 4-8 times that of developed countries in Europe and America [1]. Although Zou Xiaonong et al [2] reported a sample survey of the cause of death review in China, the national gastric cancer from 2004 to 2005 ranked the 3rd among lung cancer and liver cancer after ranking first in malignant tumors from 1973 to 1975 and 1990 to 1992. The mortality rate of gastric cancer showed a downward trend; but Zheng Chaoxu et al [3] collected China in 2012.