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LR-TR nonviable after RFA. a T2-WI shows that the treated lesion (arrow) has a low signal lesion (arrow). b T1-WI before contrast shows a high signal of the lesion. c Enhanced T1-WI in the arterial phase shows a high signal of the lesion that can be misinterpreted as an arterial hyperenhancing focal lesion. d Subtracted image of the enhanced T1-WI from the non-enhanced T1-WI shows no appreciable enhancement
