Gastrointestinal Neuroendocrine Benign Tumor is related to binswanger's disease and cerebral neuroblastoma. An important gene associated with Gastrointestinal Neuroendocrine Benign Tumor is GAST (Gastrin), and among its related pathways/superpathways are Gastrin signaling pathway and Proton Pump Inhibitor Pathway, Pharmacodynamics. Related phenotype is endocrine/exocrine gland.