title: Recurrent massive lower gastrointestinal bleeding from carcinoid tumor of the ileum.
mesh_terms: D002276:Carcinoid Tumor / Q000150:complications* / Q000175:diagnosis / Q000652:urine; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis / Q000209:etiology*; D006801:Humans; D006897:Hydroxyindoleacetic Acid / Q000652:urine; D007078:Ileal Neoplasms / Q000150:complications* / Q000175:diagnosis / Q000652:urine; D008875:Middle Aged; D012008:Recurrence
chemical_list: D006897:Hydroxyindoleacetic Acid