一、胰腺癌：胰腺癌的发病率近年有明显提高，在美国其发病率上升了３倍，并占肿瘤所致死亡的第四位，英国和日本亦有类似趋势。中国上海胰腺癌在２０年中增长约６倍，而胰腺癌也是消化系统肿瘤中较难早期诊断的癌种，临床发现的进展期胰腺癌仅１０％～３０％可以根治，３... I. Pancreatic cancer: The incidence of pancreatic cancer has increased significantly in recent years. In the United States, its incidence has increased three-fold, and it has accounted for the fourth leading cause of death from cancer. The United Kingdom and Japan have similar trends. Shanghai pancreatic cancer in China has increased about 6 times in 20 years, and pancreatic cancer is also a cancer type that is difficult to diagnose early in digestive system tumors. Only 10% to 30% of advanced stage pancreatic cancers can be cured. 3...