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. 2022 Feb 3;12:811794. doi: 10.3389/fonc.2022.811794

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Copyright © 2022 Chen, Hui, Ma, Nong, Han, Jing, Lee, Xu, Fu, Chang, Hsue and Kong

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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Locoregional recurrence-free survival (LRRFS) and disease-free survival (DFS). There was no significant difference of 4-year cumulative incidence of LRRFS between hypofractionated radiotherapy (HFRT) and conventional fractionated radiotherapy (CFRT) group (1.5% and 3.8% respectively, p = 0.23, (A), neither in patients with N0-1 stage (B) nor N2-3 stage (C). HFRT achieved similar DFS compared with CFRT (93.5% and 89.9% respectively, p = 0.17, (D), and also in patients with N0-1 stage (E) and N2-3 stage (F).