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. 2022 Sep 26;12:917353. doi: 10.3389/fonc.2022.917353

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Copyright © 2022 Nie, Lv, Chen, Xu, Wang, Liu, Wang, Zhao, He and Chen

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 curve of PFS (A) and OS (B) in patients with different primary tumor site (left colon vs. right colon). Kaplan-Meier curve of PFS (C) and OS (D) in patients with different KRAS status (wide type vs. mutant). Kaplan-Meier curve of PFS (E) and OS (F) in patients with liver metastasis or without liver metastasis.