title: Classification of subglottic tumors and discussion of their growth and spread.
mesh_terms: D005931:Glottis / Q000473:pathology; D006801:Humans; D007822:Laryngeal Neoplasms / Q000145:classification* / Q000473:pathology; D008207:Lymphatic Metastasis; D014827:Vocal Cords / Q000473:pathology