“…Glottic cancer is easy to detect because of the early onset of symptoms, such as hoarseness, and has a good prognosis owing to low lymph node metastasis and remote transfer. [1][2][3] Preserving the larynx's physiological functions, such as voice and swallowing, in the treatment of glottic cancer is considered important for the complete cure of the disease. Radiation therapy, open partial laryngectomy, and cordectomy are performed as treatments for glottic cancer, and the therapeutic performance of such methods are reportedly similar.…”