The post-superior quadrant.
D002648:Child; D002781:Cholesteatoma / Q000209:etiology / Q000601:surgery*; D004427:Ear Diseases / Q000209:etiology / Q000601:surgery*; D006801:Humans; D008416:Mastoid / Q000601:surgery; D012141:Respiratory Tract Infections / Q000150:complications; D014432:Tympanic Membrane / Q000601:surgery; D014433:Tympanoplasty