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. 2021 Mar 2;11(3):418. doi: 10.3390/diagnostics11030418

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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 (http://creativecommons.org/licenses/by/4.0/).

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Kaplan–Meier curves estimating PTC patient survival after thyroidectomy according to age (A), sex (B), T (TNM) (C), lymph node metastases (N0- absent, N1- present) (D). Overall survival (OS) curves were compared using the Log rank test.