Original Article
Copyright ©2013 Baishideng Publishing Group Co.
World J Gastroenterol. Apr 7, 2013; 19(13): 2037-2043
Published online Apr 7, 2013. doi: 10.3748/wjg.v19.i13.2037
Figure 3
Figure 3 Outcomes of conventional endoscopy. A: Complete observation of the ampulla of Vater (AV), including the orifice, by forward-viewing endoscopy; B: Partial observation of the AV with a folded mucous membrane by forward-viewing endoscopy; C: The AV was not found during forward-viewing endoscopy.