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. 2021 Apr 16;13(8):1929. doi: 10.3390/cancers13081929

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© 2021 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Prognostic performance of combined models. Abbreviations: AJCC: American Joint Committee on Cancer and the International Union for Cancer Control (8th edition), C-index: concordance-index, OS: overall survival.