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. 2023 Oct 27;15(10):2343–2350. doi: 10.4240/wjgs.v15.i10.2343

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©The Author(s) 2023. Published by Baishideng Publishing Group Inc. All rights reserved.

This article is an open-access article that was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution NonCommercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial.

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Clinical findings during colonoscopy. A and B: The first colonoscopy (day 3) showed multiple broad-based or pedicled polyps with diameters ranging from 0.5 to 2.0 cm in the cecum, ascending colon, transverse colon, descending colon, and sigmoid colon; C: The second colonoscopy (day 9) showed multiple ulcerations in the transverse colon and descending colon, which were wounds from the first surgery; D: On the second colonoscopy (day 9), three polyps (0.8-1.2 cm) scattered in the descending and sigmoid colons were removed by endoscopic mucosal resection.