Sunday, September 24, 2017

A 50-y-old male presents to the emergency department with nonspecific but persistent abdominal pain of 3 days’ duration. He consumes alcohol daily in excess and has a 75-pack/year smoking history. Lipase, cancer antigen 19-9, alkaline phosphatase, gamma-glutamyltransferase, alanine aminotransferase, and aspartate aminotransferase are mildly increased. Glycated hemoglobin is 6.0%. Computed tomography of the pancreas is likely to reveal which of the following?