Verrucous carcinoma of the pyriform sinus.
D001706:Biopsy; D002291:Carcinoma, Papillary / Q000473:pathology* / Q000601:surgery; D006801:Humans; D007825:Laryngectomy; D008297:Male; D008875:Middle Aged; D009362:Neoplasm Metastasis; D010610:Pharyngeal Neoplasms / Q000473:pathology* / Q000601:surgery