Fig. 1From: INTRABEAM intraoperative radiotherapy combined with portal vein infusion chemotherapy for treating hepatocellular carcinoma with portal vein tumor thrombusRepresentative computed tomography scan images before the operation. a. White circle showing the portal vein tumor thrombus, and that the portal vein main trunk was invaded; this was classified as grade VP4. b: White circle denoting the tumor located in the liver section IV; the approximate diameter is 5 cm. The tumor showed enhancement in the arterial phase and no enhancement in the portal and delayed phasesBack to article page