Current trends of cholesteatoma surgery in Japan: Results from the Japan Otological Society Registry using 2015 JOS Staging and Classification System: Presenting Author: Manabu Komori. (May 2016) - Komori, Manabu; Tono, Tetsuya; Sakagami, Masafumi; Kojima, Hiromi; Hato, Naohito; Yamamoto, Yutaka; Matsuda, Keiji; Morita, Yuka; Hashimoto, Sho