The portal venous tumor emboli could further induce intrahepatic tumor cells dissemination and metastasis and thus aggravate the portal hypertension with liver cirrhosis leading to massive bleeding of upper alimentary tract or failure of liver function 由于门静脉癌栓可导致肿瘤细胞在肝内播散和转移，并加重肝硬化患者门脉高压，从而引起上消化道大出血，甚至导致肝功能衰竭。
