Fig. 2From: Endoscopic ultrasound-assisted transmural cholecystoduodenostomy or cholecystogastrostomy as a bridge for per-oral cholecystoscopy therapy using double-flanged fully covered metal stentGastric transmural cholecystolithotomy and polyps resection. a Stone was revealed in the gallbladder by the endoscope. b Stone was removed from the gallbladder. c Fistula formed by the metal stent (stent was removed). d ENBD was inserted into the gallbladder through the fistula. e The fistula was closed 3Â days following the ENBD removing and ulcer was formedBack to article page