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. 2021 Dec 24;11:745085. doi: 10.3389/fonc.2021.745085

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Copyright © 2021 Wang, Lu, Liu, Wang, Liu and Han

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Illustrations of imaging features on contrast-enhanced CT imaging (A-1–A-3). Tumor with peritumoral enhancement in arterial-phase, portal-phase, and late-phase (B-1–B-3).Tumor with intratumoral artery in arterial-phase, portal-phase, and late-phase (C-1–C-3).Tumor with irregular shape in arterial-phase, portal-phase and late-phase (D-1, D-2). Tumor with unclear boundary in contrast-enhanced CT imaging. Tumor with multiple nodules in CT imaging (E-1).