What disease is cholelithiasis?

Cholecystitis is a common disease of gallbladder caused by bacterial infection or chemical stimulation of bile composition change. Cholecystitis is a common disease that occurs in the gallbladder, often manifested as pain in the upper right, sometimes radiating to the right shoulder, back, nausea, vomiting and fever, often complicated with gallstones, severe inflammation will lead to bacteremia and gallbladder perforation, but also endanger people's lives, need active symptomatic treatment, if necessary, to remove the gallbladder.