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Fistulography under the balloon catheter (arrowheads) inserted into the gallbladder from the lumen-apposing metal stent. Defects in the common bile duct (arrows) were indicative of stones (a).Deployment of a double-pigtail plastic stent (arrowheads) between the common bile duct and duodenal bulb through the lumen-apposing metal stent (b). Endoscopic image after the procedure, showing the stent of the luminal side (arrowheads) (c)
