title: Relapsing polychondritis.
mesh_terms: D001013:Aorta, Thoracic / Q000473:pathology; D001022:Aortic Valve Insufficiency / Q000150:complications; D002357:Cartilage Diseases / Q000175:diagnosis*; D004423:Ear; D006801:Humans; D008297:Male; D008875:Middle Aged; D009666:Nose; D011081:Polychondritis, Relapsing / Q000150:complications / Q000175:diagnosis / Q000473:pathology; D014526:Urethritis / Q000150:complications