幽门螺杆菌（Hp）感染被认为是胃窦和胃体部腺癌的一个危险因素。流行病学研究显示感染Hp增加内在和扩散的癌症危险3倍到6倍。近年来国际癌症研究机构命名Hp为一组癌症标记，是人类癌症的原因。在非感染的危险因素中，饮食、吸烟和社会经济状况具有一定的意义。宿主的遗传特征 Helicobacter pylori (Hp) infection is considered a risk factor for gastric antrum and gastric adenocarcinoma. Epidemiological studies have shown that infection with Hp increases the risk of intrinsic and spreading cancer by 3 to 6 times. In recent years, the International Agency for Research on Cancer named Hp as a group of cancer markers, which is the cause of human cancer. Among the non-infectious risk factors, diet, smoking, and socioeconomic status have some significance. Host genetic characteristics