S1856 Single Session Endoscopic Ultrasound-Directed Transgastric ERCP ("EDGE") in Roux-en-Y Gastric Bypass Patient With Pancreatic Mass and Biliary Obstruction With Intentional Maintenance of Gastrogastrostomy. (October 2020) - Vanek, Petr; Mallery, Shawn; Freeman, Martin L.; Trikudanathan, Guru