TABLE 90-13
| Table 90-13. Primary Tumor Staging Characteristics for Carcinoma of the Larynx | |
| Supraglottis | |
T1 |
Tumor limited to one subsite, normal vocal cord mobility |
T2 |
Tumor invades more than one subsite, normal vocal cord mobility |
T3 |
Tumor limited to larynx with vocal cord fixation and/or invades postcricoid area, medial wall of pyriform sinus or pre-epiglottic tissues |
T4 |
Tumor invades thyroid cartilage and/or extends to tissues beyond larynx, e.g., oropharynx, soft tissue of neck |
| Glottis | |
T1 |
Tumor limited to vocal cord(s) with normal mobility |
T2 |
Tumor extends to supraglottis and/or subglottis and/or impaired vocal cord mobility |
T3 |
Tumor limited to larynx with vocal cord fixation |
T4 |
Tumor invades thyroid cartilage and/or extends to tissues beyond larynx |
| Subglottis | |
T1 |
Tumor limited to the subglottis |
T2 |
Tumor extends to vocal cord(s) with normal or impaired mobility |
T3 |
Tumor limited to larynx with vocal cord fixation |
T4 |
Tumor invades cricoid or thyroid cartilage and/or extends to tissues beyond the larynx |