History of abdominal pain and biliary dilatation on recent CT. ABDOMEN:LIVER, BILIARY TRACT: Demonstrated again is intrahepatic and extrahepatic biliary ductal dilatation with the common bile duct measuring up to 1.4 cm. This is similar to the recent 1/5/2015 CT of the abdomen and 10/9/2015 CT of the chest. It appears to taper smoothly at the level of the ampulla without a filling defect or discrete mass lesion. The intrahepatic ducts are mildly tortuous near the confluence of the left and right hepatic ducts. There is no abnormal duct wall enhancement.No focal liver lesion.SPLEEN: No significant abnormality noted.PANCREAS: No significant abnormality noted.ADRENAL GLANDS: No significant abnormality noted.KIDNEYS, URETERS: No significant abnormality noted. Minimal calyectasis of the right renal inferior pole collecting system versus renal sinus cyst.RETROPERITONEUM, LYMPH NODES: No significant abnormality noted.BOWEL, MESENTERY: No significant abnormality noted.BONES, SOFT TISSUES: No significant abnormality noted. Small right-sided Tarlov cyst is noted.OTHER: Susceptibility artifact from an ASD Amplatz closure device.
Intrahepatic and extrahepatic biliary ductal dilatation to the level of the ampulla without associated pancreatic ductal dilatation, similar to CT from 10/09/2015. No filling defect, mass lesion or evidence of stricture. This may represent progressive changes from postcholecystectomy state.