title: The problem of classifying peripheral endocrine tumors.
mesh_terms: D001079:Apudoma / Q000145:classification* / Q000175:diagnosis; D002471:Cell Transformation, Neoplastic; D003110:Colonic Neoplasms / Q000473:pathology; D004759:Enterochromaffin Cells / Q000166:cytology; D006801:Humans; D007413:Intestinal Mucosa / Q000166:cytology; D007515:Islets of Langerhans / Q000378:metabolism; D009377:Multiple Endocrine Neoplasia / Q000378:metabolism; D010455:Peptides / Q000378:metabolism
chemical_list: D010455:Peptides