胰腺癌一直是危害人们身体健康的常见病 ,近些年发病率有上升趋势 ,每 10年增多 15 %左右。据 1985年统计 ,全世界胰腺癌发病率每年约为185 0 0 0例 ,其死亡 /发病比例为 0 99;在美国每年约有 2 8 0 0 0例新发病例 ,2 7 0 0 0例死于该病 ,仅有不到 4 %的病人能在诊断后生存 5 Pancreatic cancer has always been a common disease that endangers people’s health. In recent years, the incidence has been on the rise with an increase of about 15% every 10 years. According to the statistics of 1985, the incidence of pancreatic cancer in the world is about 185,000 cases per year, with a death / morbidity rate of 0 99; in the United States, there are about 28,000 new cases and 27 0 0 cases each year Only 4% of patients die of the disease after diagnosis