Patient Presents With Weight Loss and Malaise

A 69-year-old man presents with weight loss and malaise. Imaging shows an ill-defined mass in the pancreas. What is your diagnosis?

A 69-year-old man presents with weight loss and malaise. Imaging shows an ill-defined mass in the pancreas.

What is your diagnosis?

A. Pancreatitis
B. Adenocarcinoma
C. Adenoma
D. Sclerosing mesenteritis