Hepatocellular carcinoma (HCC) was apt to invade portal vein to cause tumor thrombus (PVTT), while PVTT could cause the intrahepatic dissemination and metastasis of HCC.

• 肝细胞肝癌(hepatocellular carcinoma,HCC)易于侵犯门静脉形成癌栓(portal vein tumor thrombus,PVTT)导致肿瘤细胞的播散和转移。