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Contrast CT scan showing right lobe and caudate lobe mass and portal vein thrombus in a 55-year-old man. During the arterial phase, the thrombus appears as an iso- to hypodense intraluminal area with dense linear enhancement (white arrows, A). A filling defect was detected in the left branch during the portal phases (white arrows, B). PET (black arrows, C) and PET/CT fused images (white arrows, D) reveal a highly metabolic thrombus in the left branch.
