All of the following constitute supraglottic cancer except:
The lingual surface of the epiglottis and valleculae are in the oropharynx. The glottis comprises the vocal cords and the anterior and posterior cornmissures. Subglottis is a small area extending from the lower border of the cricoids to the under surface of the vocal cords
Vallecula
Lower border of cricoid
Posterior commisure
All