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Cryoablation of subcapsular HCC. (A) Arterial phase CT image shows an arterial enhancing subcapsular nodule in segment 8 (arrow). (B) Portal venous phase CT image shows washout (arrow). (C) CT obtained during the procedure shows a cryoprobe positioned within the lesion. (D) After ablation, CT obtained 1 month after the procedure shows complete ablation. HCC, hepatocellular carcinoma; CT, computed tomography.
