awadahmed's version from 2015-09-12 16:01


Question Answer
T1Tumor limited to 1 subsite of the supraglottis, with normal vocal cord mobility
t2Tumor invades mucosa of more than 1 adjacent subsite of the supraglottis or glottis or region outside the supraglottis (eg, mucosa of base of the tongue, vallecula, medial wall of piriform sinus), without fixation of the larynx
t3Tumor limited to the larynx, with vocal cord fixation, and/or invades any of the following: postcricoid area, preepiglottic space, paraglottic space, and/or inner cortex of the thyroid cartilage
t4aModerately advanced, local disease Tumor invades through the thyroid cartilage and/or invades tissues beyond the larynx (eg, trachea, soft tissues of the neck, including deep extrinsic muscle of the tongue, strap muscles, thyroid, or esophagus)
t4bVery advanced local disease Tumor invades prevertebral space, encases carotid artery, or invades mediastinal structures