title: Response.
authors.forename: Takayasu
authors.initials: T
authors.lastname: Kuwabara
authors.forename: Toru
authors.initials: T
authors.lastname: Hiyama
authors.forename: Shiro
authors.initials: S
authors.lastname: Oka
authors.forename: Yuji
authors.initials: Y
authors.lastname: Urabe
authors.forename: Shinji
authors.initials: S
authors.lastname: Tanaka
authors.forename: Masaharu
authors.initials: M
authors.lastname: Yoshihara
authors.forename: Koji
authors.initials: K
authors.lastname: Arihiro
authors.forename: Fumio
authors.initials: F
authors.lastname: Shimamoto
authors.forename: Kazuaki
authors.initials: K
authors.lastname: Chayama
mesh_terms: D002278:Carcinoma in Situ; D004724:Endoscopy; D005260:Female; D006801:Humans; D008297:Male; D010610:Pharyngeal Neoplasms; D010611:Pharyngectomy / Q000379:methods*