Unresectable pancreatic cancer status post chemotherapy with increasing alkaline phosphatase, transaminases and bilirubin, evaluate for biliary obstruction ABDOMEN: The vasculature is not evaluated due to lack of intravenous contrast.LIVER, BILIARY TRACT: Marked increase in both intra and extrahepatic biliary ductal dilation with the common bile duct measuring 1.8 cm in maximal diameter (series 10, image 21), previously approximately 1.2 cm on the comparison CT. SPLEEN: No significant abnormality noted.PANCREAS: Ill-defined pancreatic head mass measures 2.7 x 2.0 cm (series 9, image 16). Marked dilation of the pancreatic duct measuring up to 1.3 cm in diameter (series 9, image 14). Atrophy of the distal pancreas.ADRENAL GLANDS: No significant abnormality noted.KIDNEYS, URETERS: No significant abnormality noted.RETROPERITONEUM, LYMPH NODES: No significant abnormality noted.BOWEL, MESENTERY: Clonic diverticulosis.BONES, SOFT TISSUES: No significant abnormality noted.
Increasing intra and extrahepatic biliary ductal dilation secondary to obstructive pancreatic head mass.