part_of part of part of has_disease_location pancreatic neoplasm pancreas pancreatic somatostatinoma A neuroendocrine tumor arising from the delta cells of the pancreas. It is characterized by inappropriate secretion of somatostatin and associated with diabetes mellitus, hypochlorhydria, gallbladder disease, diarrhea, steatorrhea, anemia, and weight loss. Laura Huerta NCIt:C95595