73 year-old male pancreatic lesion incidentally found a chest CT ABDOMEN:LIVER, BILIARY TRACT: Cholelithiasis without evidence of cholecystitis. No suspicious lesions. No intra or extrahepatic biliary ductal dictation. SPLEEN: No significant abnormality.PANCREAS: Cystic lesion within the far distal pancreatic tail appears to communicate with the pancreatic duct measuring 1.1 x 0.6 cm (4/18). Lesion appears to arise as extension of the duct. There is an additional 3 mm lesion within the pancreatic body adjacent to the duct (9/33). No associated enhancement.ADRENAL GLANDS: No significant abnormality noted.KIDNEYS, URETERS: No significant abnormality noted.RETROPERITONEUM, LYMPH NODES: Prominent portacaval node measuring 1.3 x 1.0 cm.BOWEL, MESENTERY: Small hiatal hernia.BONES, SOFT TISSUES: No significant abnormality noted.OTHER: No significant abnormality noted.
Cystic lesion seen on prior CT most likely represents an IPMN. The lesion appears to arise as an extension of the duct, therefore the differentiation of side branch and main duct type IPMN is difficult. Recommend imaging follow-up in 6 months.