Treatment for Gallbladder Polyps - Gallbladder Polyps: These refer to various benign elevations of the gallbladder mucosa. The main symptoms are mild discomfort in the upper right abdomen; when accompanied by gallstones, biliary colic may occur. Polypoid lesions of the gallbladder refer broadly to all non-stone-related lesions that grow polypoidly from the gallbladder wall into the cavity. Gallbladder polyps are characterized by a high incidence rate and a high rate of carcinogenesis.