title: [A case of bifocal cancer].
authors.forename: K
authors.initials: K
authors.lastname: Szymczyk
authors.forename: A
authors.initials: A
authors.lastname: Bluszcz
authors.forename: J
authors.initials: J
authors.lastname: Wierzyński
mesh_terms: D000328:Adult; D006801:Humans; D007822:Laryngeal Neoplasms; D008297:Male; D009378:Neoplasms, Multiple Primary; D014067:Tonsillar Neoplasms
vernacular_title: Przypadek raka o dwóch ogniskach.