论文部分内容阅读
近年来胰腺癌和其他壶腹周围癌的发病率有明显增高的趋势,美国胰腺癌的死亡率占恶性肿瘤死亡率的第四位,日本1981年也占第四位,我国1974年上海的发病率为恶性肿瘤的第14位,已成为消化
In recent years, the incidence of pancreatic cancer and other periampullary cancers has significantly increased. The death rate of pancreatic cancer in the United States accounts for the fourth place in the mortality rate of malignant tumors, Japan also accounted for the fourth place in 1981, and the incidence of 1974 Shanghai in China. Rate is the 14th of malignant tumors and has become digested