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. 2021 May 28;27(20):2434–2457. doi: 10.3748/wjg.v27.i20.2434

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©The Author(s) 2021. Published by Baishideng Publishing Group Inc. All rights reserved.

This article is an open-access article which was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial.

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Proton therapy vs stereotactic body radiation therapy vs conventional radiotherapy for liver tumors. Dose distributions for a proton (left), stereotactic body radiation therapy (middle) and conventional radiotherapy (right) hepatocellular carcinoma radiotherapy plan are illustrated for comparison. RT: Radiotherapy; SBRT: Stereotactic body radiation therapy.