CT
The gall bladder is distended with multiple calculi largest measuring ~ 1.0 x 1.0 cm. Wall thickening (measuring ~ 6.4 mm) showing post contrast enhancement with adjacent pericholecystic fat stranding and thin rim of fluid- features suggestive of cholelithiasis with acute cholecystitis.
Incidentally dilated and tortuous pulmonary vessels in both lower lobes lung parenchyma, the largest in the posterobasal segment of left lower lobe showing avid enhancement.