Home > Gastroenterology > ERCP with Balloon Dilation Get the Flash Player to see this player. Rate: (Click the stars to rate) Published on Apr 26, 2008 by ASable, Views: 2758 ERCP with Balloon Dilation. What to expect during the procedure. During this procedure, your doctor will look at your gallbladder and the ducts outside of the gallbladder. IF there is a stricture of these ducts, they can be dilated with a balloon. Video courtesy of eMedTV.com