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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
EUS view of the correct positioning of the LAMS: (A) completely open distal flange in the shape of a “frisbee”; (B) the distal flange is pulled back towards the intestinal wall; (C) distal flange of oval shape.