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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 ypT4N2. (A) Axial MSCT depicts whole rectal wall thickening with uneven density of adjacent mesorectum. Low restaged as T3. (B) MRI transverse high-resolution T2WI shows thickened whole rectal wall with extensive edema and fibrosis of mesorectum. Low restaged as T3. Enlarged lymph node (arrow) was found. Accurately restaged as N2 with MSCT and MRI. yp: pathological staging after neoadjuvant chemoradiotherapy; T, tumor; N, node; MSCT, multi-slice computed tomography; MRI, magnetic resonance imaging.