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. 2022 Aug 12;9:996844. doi: 10.3389/fsurg.2022.996844

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© 2022 Zhao, Chen, Zhang, Cheng, Lu, Wang, Li, You, Yu, Guo, Li and Huang.

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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IIBS combined with CA19-9. Receiver operating curve analysis of T-stage (A); Receiver operating curve analysis of N-stage (B); Receiver operating curve analysis of M-stage (C); Receiver operating curve analysis of TNM-stage (D).