RADIOLOGY: PANCREAS: Case# 33945: ADENOCARCINOMA OF THE PANCREATIC HEAD. 49 year old female with new onset insulin dependent diabetes mellitus (since 5/97), jaundice and 75 pound weight loss in one year. 1. Findings consistent with adenocarcinoma of the pancreatic head with associated marked intra and extrahepatic biliary duct dilatation, mild pancreatic duct dilatation, proximal SMV and SMA involvement and peripancreatic adenopathy and probable duodenal invasion. There is marked gallbladder enlargement with multiple calcified dependent gall stones; no pericholecystic fluid or gallbladder wall thickening present. No evidence of distant disease. 2. Cholelithiasis.