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. 2022 Jan 21;11:806749. doi: 10.3389/fonc.2021.806749

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Copyright © 2022 Liu, Li, Zhang, Li, Sun, Lv and Wang

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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Rectal cancer with ypT0N0. (A) Axial MSCT depicts a heterogeneous enhancing tumor penetrating the peritoneal reflection (arrow). Over restaged as T4. (B) MRI transverse high-resolution T2WI of rectum shows left mesorectal fascia involvement (arrow). Over restaged as T3N0. yp, pathological staging after neoadjuvant chemoradiotherapy; T, tumor; N, node; MSCT, multi-slice computed tomography; MRI, magnetic resonance imaging; T2WI, T2-weighted imaging.