title: [Bifocal cancer of the maxillary sinus].
mesh_terms: D000328:Adult; D003560:Cysts / Q000473:pathology; D006801:Humans; D008297:Male; D008441:Maxillary Neoplasms / Q000473:pathology*; D008443:Maxillary Sinus; D009378:Neoplasms, Multiple Primary / Q000473:pathology*
vernacular_title: Przypadek dwuogniskowego raka zatok szczekowych.