Osteosarcoma of the larynx.
D000402:Airway Obstruction; D001706:Biopsy; D006801:Humans; D007817:Laryngeal Cartilages / Q000473:pathology; D007822:Laryngeal Neoplasms / Q000000981:diagnostic imaging / Q000473:pathology*; D007825:Laryngectomy; D007830:Larynx / Q000473:pathology; D008297:Male; D008875:Middle Aged; D012516:Osteosarcoma / Q000000981:diagnostic imaging / Q000473:pathology*; D011859:Radiography; D014140:Tracheotomy; D014827:Vocal Cords / Q000473:pathology