seventy-five patients with abdominal pain in the right upper quadrant who were subsequently confirmed operatively and histologically to have acute or chronic cholecystitis underwent radionuclide imaging of the biliary tree , ultrasonography , and/or computerized tomography before operation . fifty-eight of the patients had acute cholecystitis and 17 had chronic cholecystitis and cholelithiasis .
C0005423
biliary tree
C0085694
chronic cholecystitis