pNETs are divided into functional versus non-functional tumors with about 90% being classified as non-functional. Commonly, tumors are defined as non-functional if the patient does not suffer from symptoms due to hormone hyper-secretion, even if hormone levels are elevated on laboratory evaluation. Most non-functional pNETs present with symptoms due to mass effect, such as jaundice, weight loss, abdominal pain, palpable mass, nausea/emesis, pancreatitis, or back pain, and mimic the presentation of pancreatic adenocarcinoma. As routine diagnostic imaging becomes more prevalent, some patients present asymptomatically with an incidental finding on cross sectional imaging.…