Recent advances in endoscopic retrograde cholangiopancreatography in Billroth II gastrectomy patients: A systematic review

Figure 3 Cap-fitting forward-viewing endoscopy. A: Naïve papilla; It is difficult to obtain en face view. The direction of bile duct is reversed (arrow); B: Gastroscope of 7 o’clock position working channel; Sphincter management with inverted sphincterotome; C: Pediatric colonoscope of 5 o’clock position working channel; D: Endobiliary biopsy was performed in distal common bile duct stricture; E: Bilateral uncovered metal stents were inserted in the malignant hilar stricture.