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. 2022 Oct;11(10):1995–2009. doi: 10.21037/tlcr-22-273

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2022 Translational Lung 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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Final multivariate Cox regression prognostic model for PFS and OS (A) and Kaplan-Meier survival analysis according to risk-group for PFS and OS (B,C). cfDNA, cell free DNA; HR, hazard ratio; CI, confidence interval; ECOG PS, Eastern Cooperative Oncology Group Performance Score; PFS, progression-free survival; OS, overall survival; NA, not available.