Acinar cell carcinoma of the pancreas: metastases from an occult primary tumor.
D000368:Aged; D002277:Carcinoma / Q000473:pathology / Q000556:secondary*; D006801:Humans; D008297:Male; D008854:Microscopy, Electron; D010190:Pancreatic Neoplasms / Q000473:pathology / Q000556:secondary*