Presentation of cases.
D005500:Follow-Up Studies; D006394:Hemangiosarcoma / Q000601:surgery*; D006469:Hemoptysis / Q000209:etiology*; D007822:Laryngeal Neoplasms / Q000532:radiotherapy*; D007828:Laryngoscopy; D014134:Tracheal Neoplasms / Q000175:diagnosis*; D014827:Vocal Cords