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. 2022 Dec 15;10(12):E1537–E1543. doi: 10.1055/a-1954-0522

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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. 1 — Endoscopic images from carriers of pathogenic SMAD4 variants. a, b, c, d Patients in their twenties presenting with erythema. e, f, g, h Patients in their thirties with more severe presentations. g Patient no.22 before gastrectomy. i, j, k, l Patients in their forties. i,j Patient no.36 before gastrectomy (47y). l Patient no. 11 with a less severe gastric phenotype. m, n, o, p Patients in their 50. n, o, p Patient no.31 before gastrectomy.