Fig. 2

Endoscopic and fluoroscopic images of ERCP using a cap-assisted gastroscope in a patient with Billroth II anastomosis. (A) Endoscopic view showing the papilla at the 11 to 12 o’clock position using a forward-viewing gastroscope with a cap. (B) Fluoroscopic image confirming successful selective biliary cannulation. ERCP, Endoscopic retrograde cholangiopancreatography