National Otolaryngology Hospital of Vietnam
Materials: patients diagnosed with laryngeal cancer and/or hypopharynx cancer, who have had total laryngectomy at B1 Department - National Otolaryngology Hospital of Vietnam (NOH) from January 2019 to June 2019.
Materials : patients diagnosed with laryngeal cancer and / or hypopharynx cancer, who have had total laryngectomy at B1 Department - National Otolaryngology Hospital of Vietnam ( NOH ) from January 2019 to June 2019 .