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. 2021 Mar 17;11:639909. doi: 10.3389/fonc.2021.639909

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Copyright © 2021 Wang, Chen, Zhang, Song, Zhou, Xie and Yu

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 of patients with locally advanced rectal cancer grouped by prognostic nutritional index (PNI) and stratified by clinical stage. (A) the disease-free survival (DFS) curves of all patients; (B) the overall survival (OS) curves of all patients; (C) the DFS curves of patients with clinical stage II rectal cancer; (D) the OS curves of patients with clinical stage II rectal cancer; (E) the DFS curves of patients with clinical stage III rectal cancer; (F) the OS curves of patients with clinical stage III rectal cancer.