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Fig. 2 63-year-old man with histologically proven hepatocellular carcinoma.
Axial contrast-enhanced CT scan in arterial phase shows thrombus in right and
left branches of portal vein. Expansion of left branch of portal vein and
enhancement of thrombus (arrow) are evident. Arterioportal shunt is
evident as linear streaks of contrast enhancement (chevron) in region
of right branch of portal vein.