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胃癌居全世界恶性肿瘤死亡率之首,2009年美国上消化道肿瘤新发病例约有37 600例,死亡约25 150例[1]。中国胃癌男、女人口调整死亡率(男性:40.8/10万,女性:18.6/10万,男性是女性的1.9倍)分别是欧美发达国家的4.2～7.9倍和3.8
Gastric cancer ranks first in the world in mortality from malignant tumors. In 2009, there were 37,600 new cases of upper gastrointestinal cancer in the United States and 25,150 deaths [1]. The adjusted mortality rate of male and female gastric cancer in China (male: 40.8 / 100000, female: 18.6 / 100000 and male: 1.9% of female) were respectively 4.2-7.9 times and 3.8