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A 57-year-old man with hepatocellular carcinoma. MR obtained one month before ablation showed the tumor measuring 1.3*1.2 cm in diameter in the caudate lobe (a) (arrowheads). Preoperative EUS indicated a low echo area (b) (arrowheads) and it had increased echogenicity covering the whole mass after ablation (c) (arrowheads). After one month, enhanced MR revealed the lesion complete necrosis (d) (arrowheads).
