A
A T2 lesion of the right aryepiglottic fold, a right false vocal cord, and impaired mobility of the true vocal cord
B
A lesion of the laryngeal surface of the epiglottis below the hyoid bone with evidence of preepiglottic space invasion on computed tomography
C
A lesion of the epiglottis, vallecula, and 1-cm, unilateral extension to the tongue base
D
An invasive lesion of the false vocal cord that is found to extend significantly into the ventricle at the time of surgical endoscopy