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. 2021 Jun 2;11:600768. doi: 10.3389/fonc.2021.600768

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Copyright © 2021 Xiong, Shi, Hu, Wu, Long and Bian

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 analyses (DCA) of the nomogram and 7^th edition AJCC-TNM staging system for 3-year overall survival. The x-axis represents the threshold probabilities, and the y-axis measures the net benefits. The horizontal line parallel to the axis shows that overall death occurred in no patients, while the solid grey line demonstrates that all patients will have overall death at a specific threshold probability. The black and red dashed line represents the nomogram and 7^th edition AJCC-TNM staging system, respectively.