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. 2022 May 13;55(1):97–99. doi: 10.1055/a-1838-4311

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The Author(s). This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/)

This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives License, which permits unrestricted reproduction and distribution, for non-commercial purposes only; and use and reproduction, but not distribution, of adapted material for non-commercial purposes only, provided the original work is properly cited.

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Fig. 1 — Images from magnifying narrow-band imaging (NBI) of a cecal lesion showing: a a 7-mm sessile tumor without a demarcated depressed area, which initially resembled a sessile serrated lesion and was suspected to be an adenocarcinoma on a previous biopsy; b under blue light, a vascular pattern with both interruption of thick vessels and loose vascular areas, and a surface pattern with amorphous areas, which was classified as type 3 (the Japan NBI Expert Team classification), consistent with a diagnosis of deep submucosal invasive cancer.