Fig. 2From: Classification of the cystic duct patterns and endoscopic transpapillary cannulation of the gallbladder to prevent post-ERCP cholecystitisSubtype α2 of cystic duct became the subtype line one using the inflated dilation catheter. (a) The guidewire passed through the subtype α cystic duct into the gallbladder. (b) The guidewire was straightened using the inflated dilation catheter. (c) The looped guidewire passed into the gallbladderBack to article page