Figure 1: Triphasic computed tomography scan of a 52-year-old male patient showing a filling defect in the right main portal vein as a hypodense (hounsfield unit = 23) in precontrast phase; (a) In arterial phase (34 hounsfield unit); (b) portovenous phases (60 Hounsfield unit). (c) Ill-defined masses are seen elsewhere in the liver parenchyma (blue arrow). The patient has ascites