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. 2022 Aug 8;12:961781. doi: 10.3389/fonc.2022.961781

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Copyright © 2022 Chen, Tang, Zhu, Shen and Li

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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Kaplan-Meier survival curves for the matched VMAT and tomotherapy groups. (A) Locoregional failure-free survival, (B) Distant metastasis-free survival, and (C) Overall survival.