Figure 1

Dynamic computed tomography revealed a tumor in segment 2 of the liver, which was high and low density in the arterial (a) and venous phases (b), respectively, and portal vein tumor thrombus in the portal branch root of segment 2 (arrow) (c). Portal vein tumor thrombus did not invade to umbilical and transverse portions (UP and TP) of the left portal vein (d, e). P3, portal branch of segment 3; LHV, left hepatic vein.