The gallbladder is distended and an impacted stone in its neck appearing as a rounded filling defect measuring about 2 cm is noted, with diffuse wall thickening and minimal pericholecystic inflammatory fatty stranding impressive of acute calcular cholecystitis.
Normal calibre and outline of intrahepatic bile ducts, right/left common hepatic, cystic duct and common bile ducts.
No evidence of free fluid or lymphadenopathy is detected.
The bilateral minimal pleural reaction is noted.
Conclusion:
Features on MRI are compatible with acute cholecystitis with impacted stone at the neck of the gallbladder.