title: Carcinoid tumors of the gastrointestinal tract.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002276:Carcinoid Tumor / Q000175:diagnosis / Q000601:surgery; D005260:Female; D005500:Follow-Up Studies; D005770:Gastrointestinal Neoplasms / Q000175:diagnosis / Q000601:surgery; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D009362:Neoplasm Metastasis; D009364:Neoplasm Recurrence, Local; D009928:Organ Specificity