胰腺癌是公认的预后极差的肿瘤。2006年,美国有32,300人死于胰腺癌,胰腺癌占据美国癌症死因的第四位,占消化道肿瘤的22%[1]。手术是胰腺癌唯一可能根治的治疗方法。然而,由于胰腺癌的早期症状不明显,早期诊断困难,确诊时大多为中晚期,手术切除率只有10%-20%。即使如此,胰腺癌手 Pancreatic cancer is a recognized well-prognosis tumor. In 2006, 32,300 Americans died of pancreatic cancer, the fourth leading cause of cancer in the United States, accounting for 22% of gastrointestinal cancers [1]. Surgery is the only possible cure for pancreatic cancer. However, due to the early symptoms of pancreatic cancer is not obvious, early diagnosis difficult, mostly in the diagnosis of advanced stage, the surgical resection rate was only 10% -20%. Even so, pancreatic cancer hands