胰腺癌是常见的消化系统恶性肿瘤。近年来其发病率在世界范围内均呈明显上升趋势,每10年增加约15%[1],已成为我国人口死亡的十大恶性肿瘤之一。胰腺癌的临床表现隐匿,且发展迅速、预后极差,确诊后平均生存时间不超过六个月[2],这主要与其诊断时多数已为中、晚期有关。 Pancreatic cancer is a common digestive system malignancy. In recent years, its incidence in the world showed a clear upward trend, an increase of about 15% every 10 years [1], which has become one of the top 10 cancer deaths in China’s population. Clinical manifestations of pancreatic cancer hid, and the rapid development of poor prognosis, the average survival time after diagnosis of no more than six months [2], mainly with the diagnosis of the majority have been related to the late.