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胰腺癌的发病率逐年增高,美国占恶性肿瘤死亡率的第四位,日本近年胰腺癌的死亡率也上升到恶性肿瘤死亡率的第四位。我国上海统计1977年已上升到第12位。壶腹周围癌的发病率,尚未见精确统计数字。
The incidence of pancreatic cancer has been increasing year by year. The United States accounts for the fourth highest rate of malignant tumor mortality. In recent years, the mortality rate of pancreatic cancer in Japan has also risen to the fourth place in malignant tumor mortality. China’s Shanghai statistics rose to 12th in 1977. The incidence of cancer around the ampulla has not yet seen accurate statistics.