Figure 1From: Endoscopic large-balloon dilation alone versus endoscopic sphincterotomy plus large-balloon dilation for the treatment of large bile duct stones Endoscopic view of large-balloon dilation without biliary sphincterotomy. A. Guidewire positioned across the papilla. B. Large balloon inflated across the papilla without preceding endoscopic sphincterotomy. C. Markedly dilated papilla after large-balloon dilation. D. Large stone extracted with a basket through the dilated papilla.Back to article page