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Fig. 5. Types of bilioduodenal stenosis. (A) Type I: stenosis in the duodenum before the ampulla of Vater; (B) type II: stenosis at the level of ampulla of Vater; (C) type III: stenosis beyond the ampulla of Vater. CBD, common bile duct. Data from the article of Mutignani et al (Endoscopy. 2007;39:440-7).6
Int J Gastrointest Interv 2021;10:196~199 https://doi.org/10.18528/ijgii210020
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