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

• 摘要目的：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。