<prompt> Cholestatoma is usually present at:Anteroinferior quadrant of tympanic membranePosteroinferior quadrant of tympanic membraneAttic regionCental part  <response>: Atticoantral type or marginal or unsafe otitis media involves posterosuperior part of middle ear cleft attic, antrum, posterior tympanum and mastoid and is associated with cholesteatoma. 