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Fig. 2A. —55-year-old man with hepatocellular carcinoma who had biloma and upstream bile duct dilatation with cholangitis of unknown cause after radiofrequency ablation. Contrast-enhanced CT scan obtained 24 days after radiofrequency ablation for 1.4-cm-diameter hepatocellular carcinoma of liver segment VIII shows biloma (large arrows) seen as fluid collection surrounding necrotic tissue (asterisk). Associated is mild dilatation of upstream bile ducts (small arrows) in liver peripheral to ablation zone.