Endoscopic retrograde cholangiopancreatography after laparoscopic Roux-en-Y gastric bypass: a case series and review of the literature.

Endoscopic retrograde cholangiopancreatography (ERCP) has become an important tool in the diagnosis and treatment of pancreaticobiliary pathology. ERCP in patients that have undergone Roux-en-Y gastric bypass (RYGB) is particularly challenging because traditional transoral endoscopy may be limited. We present our experience with ERCP after RYGB and review the literature.