68-year-old female status post ERCP for common bile duct stone removal. ABDOMEN:LUNG BASES: Small pleural effusions, partially visualized.LIVER, BILIARY TRACT: No focal hepatic lesions. Status post cholecystectomy with trace amount of free fluid in the gallbladder fossa. Mild central intrahepatic and proximal common bile duct dilation with the proximal common duct measuring up to 12 mm, unchanged since prior exam. No choledocholithiasis is evident.SPLEEN: No significant abnormality noted.PANCREAS: No significant abnormality noted.ADRENAL GLANDS: No significant abnormality noted.KIDNEYS, URETERS: Small bilateral renal cysts and other too small to characterize T2 hyperintense foci, likely additional cysts.RETROPERITONEUM, LYMPH NODES: No significant abnormality noted.BOWEL, MESENTERY: Status post gastric bypass. Interval decreased distention of the excluded stomach. Percutaneous gastrostomy tube in place.BONES, SOFT TISSUES: No significant abnormality noted.OTHER: No significant abnormality noted.
Stable dilation of the biliary tree when compared to prior CT. No choledocholithiasis is evident. Ampullary stricture cannot be excluded.