Objective To evaluate the treatment for pancreatic cancer with portal vein(PV) and/or superior mesenteric vein(SMV) invaded.

• 目的:探讨胰腺癌根治手术中肿瘤侵犯门静脉和(或)肠系膜上静脉(PV/SMV)的处理方法,以提高胰腺癌的手术切除率。