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Upper gastrointestinal series in a patient with severe gastroesophageal reflux disease following Roux-en-Y gastric bypass, gastrogastric fistula (arrow, top left), gastrojejunal stricture (arrow, top right and arrow, bottom left), who underwent controlled radial expansion balloon dilation (arrow, bottom middle) and placement of lumen-apposing metal stent (arrow, bottom right).
