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. 2022 Mar;11(3):444–455. doi: 10.21037/tcr-21-2485

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2022 Translational Cancer Research. All rights reserved.

Open Access Statement: This is an Open Access article distributed in accordance with the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International License (CC BY-NC-ND 4.0), which permits the non-commercial replication and distribution of the article with the strict proviso that no changes or edits are made and the original work is properly cited (including links to both the formal publication through the relevant DOI and the license). See: https://creativecommons.org/licenses/by-nc-nd/4.0/.

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Sensitivity analysis: (A) sensitivity analysis of studies according to OS; (B) sensitivity analysis of studies according to PFS/RFS/DFS. GC, gastric cancer; EC, esophageal cancer; CC, colorectal cancer; CI, conﬁdence interval; HR, hazard ratio; OS, overall survival; PFS, progression-free survival; DFS, disease-free survival; RFS, recurrence-free survival.