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. 2019 Jun 27;18(3):2330–2339. doi: 10.3892/ol.2019.10536

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Copyright: © Yin et al.

This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.

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Figure 3. — Stratified analysis by age and stage. Kaplan-Meier survival curves of overall survival rates between high- and low-risk groups in (A) younger, <68 years, and (B) older, ≥68 years, patients. Kaplan-Meier survival curves of overall survival between high- and low-risk groups in (C) early-stage, I/II, and (D) advanced-stage, III/IV, patients.