最近四、五十年来，西方国家胰腺癌患者发病率逐渐增加，具体原因不清，在美国，每年新发现的3O000个病例中，仅有约10％～15％的患者有手术切除机会，但其中能够手术根治的患者只有5％～75％，甚至更少一些。胰腺切除作为治疗胰腺癌的手术方法，其效果到底有无提高，或许从下 In the past four or five decades, the incidence of pancreatic cancer in western countries has been gradually increasing. The specific reasons for this are unclear. In the United States, only about 10% to 15% of the 3,000 newly discovered cases each year have a chance of surgical resection Among them, only 5% to 75% of patients who can be cured by surgery are even fewer. Pancreatic resection as a surgical treatment of pancreatic cancer, the effect of whether or not to improve, perhaps from the next