Middle ear aeration in staged canal wall up tympanoplasty combined with mastoid cortex plasty or bony mastoid obliteration: Presenting Author: Masahiro Komori. (May 2016) - Komori, Masahiro; Yanagihara, Naoaki; Hyodo, Jun; Hinohira, Yasuyuki; Minoda, Ryosei; Kobayashi, Taisuke; Hyodo, Masamitsu