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. 2023 May 14;29(18):2747–2763. doi: 10.3748/wjg.v29.i18.2747

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©The Author(s) 2023. Published by Baishideng Publishing Group Inc. All rights reserved.

This article is an open-access article that was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution NonCommercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial.

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Treatment of pancreatic walled-off necrosis and two fistulas by percutaneous drainage. A: Appearance of iodine via cutaneous fistula after its instillation into the walled-off necrosis (WON); B: Retropancreatic WON with two fistulas. Fistula 1: Retropancreatic-percutaneous fistula; Fistula 2: Retropancreatic-sigmoidal fistula. WON: Walled-off necrosis.