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. 2021 Apr 12;9(4):E552–E561. doi: 10.1055/a-1352-2709

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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. 3 — Representative histological images of non-neoplastic, flat-type low-grade dysplasia, flat-type high-grade dysplasia and sessile high-grade dysplasia. The histological findings (Case #4): HE staining indicating non-neoplastic (Non-n), flat low-grade dysplasia (LGD), flat-type high-grade dysplasia (HGD) and sessile HGD lesions (left), p53 immunohistochemistry (middle), and CD34 staining indicating vessels in the mucosa (right). In CD34-immunostained sections, the luminal and basal half areas were divided by black dotted lines. Scale bars, 200 μm.