title: Irradiation of occult lymphatic metastases from cancers of the larynx and pyriform sinus.
mesh_terms: D006801:Humans; D007822:Laryngeal Neoplasms / Q000473:pathology*; D008207:Lymphatic Metastasis / Q000532:radiotherapy*; D010610:Pharyngeal Neoplasms / Q000473:pathology*