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. 2021 Sep 9;20:15330338211033064. doi: 10.1177/15330338211033064

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© The Author(s) 2021

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License (https://creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 4. — Kaplan-Meier survival curves comparing OS/LCSS between surgery group and non-surgery group in multiple organ metastases subgroups after CBPS. (A and B) Multiple organ metastases group; (C and D) involved distant lymph node metastases group; (E and F) bone and liver metastases group; (G and H) bone and brain metastases group. OS indicates overall survival; LCSS, lung cancer specific survival; CBPS, covariate balancing propensity score weighting; DLN, distant lymph node.