Chronic<unk>  may be classified according to causes into two major subtypes, acute calculous<unk> , and acute acalculous<unk> .
Chronic cholecystitis classification
Gallstone disease classification
Choledocholithiasis classification
Chronic pancreatitis classification
Pancreatitis classification
Acute pancreatitis classification
Gallbladder cancer classification
Primary sclerosing cholangitis classification