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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 70-year-old man with hepatocellular carcinoma (HCC) in the VII segment of the liver. A tumor 6.9 cm in size in the right lobe of liver with nonuniform low-density (A), showing hyperenhancement in the arterial phase (B), and continuous enhancement without distinct “washout” appearance in the portal venous phase (C); after radiofrequency ablation (RFA), a non-enhanced ablation area was found in original lesion area, along with a 5.0 cm-sized irregular, thickened tissue area (arrows) along the margin of the treated lesion (D), showing hyperenhancement in the arterial phase (E) and washout (F). Diagnosis was agreed upon by the 2 readers (LR-TR viable 5.0 cm).