Gallstones,(cholelithiasis)is crystalline concretion, formed within the gallbladder by accretion of bile components. The presence of gall stones in the gall bladder cause inflammation and cause cholecystitis due to retention of bile in the bladder.

Now it may lead to infection with intestinal bacteria like E.coli, Klebsiella, Enterobacter, and Bacteroides species. This video briefs about types and composition of stones, symptoms, diagnosis, and treatment.