<unk> , or more properly gastro-entero-pancreatic or gastroenteropancreatic<unk>  (GEP-NETs), are cancers of the interface between the endocrine (hormonal) system and the nervous system.
Neuroendocrine tumors
Pituitary tumor
Endocrine tumors
Insulinoma
Glucagonoma
Pituitary adenoma
Multiple endocrine neoplasia
ACTH-secreting tumor