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. 2021 Apr 19;11:640268. doi: 10.3389/fonc.2021.640268

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Copyright © 2021 Hou, Zhang, Yang, Wu, Wang, Zhang, Yang, Hou, Wu, Wang, Dong, Guo, Shi and Ling

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 curves of overall survival between the PMRT cohort and observation cohort for the entire group (A), low-risk group (B), moderate-risk group (C) and high-risk group (D) after PSM. (E) The forest plot for hazard ratio (HR) comparing 10-year overall survival between the control cohort and PMRT cohort in different risk groups after PSM.