Retrospective Study
Copyright ©The Author(s) 2015.
World J Clin Cases. Apr 16, 2015; 3(4): 353-359
Published online Apr 16, 2015. doi: 10.12998/wjcc.v3.i4.353
Figure 2
Figure 2 The papilla. A: The papilla was gradually dilated using a large balloon. Dilation was continued until the notch on the balloon disappeared (endoscopic image); B: The papilla was gradually dilated until the notch on the balloon disappeared (fluoroscopic image).