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. 2024 Dec 3;56(Suppl 1):E1059–E1060. doi: 10.1055/a-2466-9794

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The Author(s). This is an open access article published by Thieme under the terms of the Creative Commons Attribution License, permitting unrestricted use, distribution, and reproduction so long as the original work is properly cited. (https://creativecommons.org/licenses/by/4.0/).

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 2 — a A transverse incision at the anal side of the lesion. b Creation of the tunnel. c Visualization of the tumor. d The tumor was separated from surrounding tissues. e Serous membrane and surrounding adipose tissue were visible at the resected site. f Entrance to preserved tunnel. This was closed with clips.