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全球每年的癌症新发病例为93.7万,其中胃癌占10%,位居世界新发癌症的第四位,其死亡率位居世界第二[1]。胃癌的发生是一个多阶段的过程,同时也是由生物因素(幽门螺杆菌感染)、遗传因素和环境因素(如饮食、饮水和维生素的不均衡摄入等)等多因素综合作用的结果。
The world’s annual newcomer cases of 937,000, of which 10% of gastric cancer, ranking fourth in the world of new cancers, the mortality rate ranks second in the world [1]. The occurrence of gastric cancer is a multi-stage process. It is also a result of multi-factorial combination of biological factors (Helicobacter pylori infection), genetic factors and environmental factors (such as unbalanced intake of diet, drinking water and vitamins).