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. 2023 Jul 13;13:1166877. doi: 10.3389/fonc.2023.1166877

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Copyright © 2023 Xi, Lu, Zhang, Wang, Sun and Chen

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Decision curve analysis of the nomogram and AJCC tumor staging. (A) 3-year survival benefit in the training cohort. (B) 3-year survival benefit in the validation cohort. (C) 6-year survival benefit in the training cohort. (D) 6-year survival benefit in the validation cohort. (E) 9-year survival benefit in the training cohort. (F) 9-year survival benefit in the validation cohort.