<prompt> Surgical landmarks for the identification of facial nerve in mastoid surgeries are all except:Below the processus cochleariformisAbove and posterior to oval windowMedial to short process of incusBehind the pyramid  <response>: a Below the processus cochleariformisRef. Scott Brown, 6th ed., 1386, 1387The first genu of facial nerve lies antero-superior to the Processes cochleariformis. 