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胃癌是最常见的恶性肿瘤之一,每年新发病数列发达国家中第4位,发展中国家第2位。在我国,胃癌粗死亡率为17.3/10万,居市区肿瘤死亡率的第2位,县城肿瘤死亡率的第1位[1]。由于缺乏特异性表现,多数患者确诊时已属于中晚期。目前我国胃癌患者中Ⅲ、Ⅳ期约占50%
Gastric cancer is one of the most common malignant neoplasms. The number of newly emerged cases is the fourth in developed countries and the second in developing countries. In our country, the crude death rate of gastric cancer is 17.3 / 100000, which ranks the second among the cancer death rate in the urban area and the first among the cancer death rate in the county [1]. Due to the lack of specific performance, most patients have been diagnosed in advanced stage. At present, patients with gastric cancer Ⅲ, Ⅳ about 50%