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By Mayo Clinic staffCholecystitis (ko-luh-sis-TIE-tis) is an inflammation of the gallbladder. Your gallbladder is a small, pear-shaped organ on the right side of your abdomen, just beneath your liver. The gallbladder holds a digestive fluid called bile that's released into your small intestine.
In many cases, cholecystitis is caused by gallstones that block the tube leading out of your gallbladder. This results in a buildup of bile that can cause inflammation. Other causes of cholecystitis include infection, injury and tumors.
If left untreated, cholecystitis can lead to serious complications, such as tissue damage, tears in your gallbladder and infection that spreads to other parts of your body. Once diagnosed, cholecystitis requires a hospital stay. Treatment for cholecystitis often eventually includes gallbladder removal.
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