Cavity obliteration and ear canal size.
D002781:Cholesteatoma / Q000601:surgery; D004424:Ear Canal / Q000601:surgery*; D004428:Ear Neoplasms / Q000601:surgery; D005780:Gelatin; D006801:Humans; D008416:Mastoid / Q000000981:diagnostic imaging / Q000601:surgery*; D008417:Mastoiditis / Q000601:surgery; D009132:Muscles / Q000601:surgery; D010521:Periosteum / Q000601:surgery; D011859:Radiography; D014432:Tympanic Membrane / Q000601:surgery; D014433:Tympanoplasty
D005780:Gelatin