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. 2020 Mar;8(6):388. doi: 10.21037/atm.2020.03.120

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2020 Annals of Translational Medicine. All rights reserved.

Open Access Statement: This is an Open Access article distributed in accordance with the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International License (CC BY-NC-ND 4.0), which permits the non-commercial replication and distribution of the article with the strict proviso that no changes or edits are made and the original work is properly cited (including links to both the formal publication through the relevant DOI and the license). See: https://creativecommons.org/licenses/by-nc-nd/4.0.

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A 72-year-old woman with hepatocellular carcinoma (HCC) in the V segment of the liver. A low-density tumor 2.5 cm in size on normal abdominal CT images (A), showing hyperenhancement (rim) in the arterial phase (B), “washout” appearance, and enhanced capsule (arrow) in the portal venous phase (C); after radiofrequency ablation (RFA), a non-enhanced ablation area was shown (D), and there was not any enhancement tissue in or along the margin of the treated lesion (E,F). Diagnosis was agreed upon by the 2 readers (LR-TR nonviable).