Ampulla of Vater Somatostatin-Producing Neuroendocrine Tumor

**Semantic type:** Neoplastic Process

**Definition:** A well-differentiated neuroendocrine tumor that arises from the ampulla of Vater and the periampullary region. It produces somatostatin.

**Synonyms:** - Ampulla of Vater Somatostatin Producing NET - Ampulla of Vater Somatostatin Producing Neuroendocrine Tumor - Somatostatin Producing Neuroendocrine Tumor of the Ampullary Region