57-year-old female patient with epigastric and right upper quadrant pain. Question of cholecystitis. GALLBLADDER, BILIARY TRACT: There is biliary sludge, appearing less than the prior study. No gallstones, pericholecystic fluid, or gallbladder wall thickening is identified. There is no extrahepatic biliary ductal dilatation. The common bile duct measures 4 mm in diameter.
Biliary sludge without sonographic evidence of acute cholecystitis.