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. 2024 May 21;30(19):2575–2602. doi: 10.3748/wjg.v30.i19.2575

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©The Author(s) 2024. Published by Baishideng Publishing Group Inc. All rights reserved.

This article is an open-access article that was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution NonCommercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial.

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Kaplan-Meier survival analysis of two subgroups based on clinical characteristics. A: Age (> 60 years and ≤ 60 years); B: T stage (T1–2 and T3–4); C: N stage (N0 and N1); D: M stage (M0 and Mx); E: Stages (stage I-II and stage III-IV).