title: [Is dissection of levels 4 and 5 justified for cN0 laryngeal and hypopharyngeal cancer?].
authors.affiliation: Department of Otorhinolaryngology and Head and Neck Surgery, Atatürk Research and Training Hospital, Ministry of Health, Izmir, Turkey.
authors.forename: Katilmis
authors.initials: K
authors.lastname: Hüseyin
authors.forename: Oztürkcan
authors.initials: O
authors.lastname: Sedat
authors.forename: Ozdemir
authors.initials: O
authors.lastname: Ismail
authors.forename: Tuna
authors.initials: T
authors.lastname: Bilge
authors.forename: Adadan Güvenc
authors.initials: AG
authors.lastname: Isil
authors.forename: Ozkul
authors.initials: O
authors.lastname: Yilmaz