DATA FORM FOR CANCER STAGING - LARYNX
Form # 785-1-017
| CLIN | PATH | DEFINITIONS | ||
| PRIMARY TUMOR (T) | ||||
| TX | Primary tumor cannot be assessed | |||
| T0 | No evidence of primary tumor | |||
| Tis | Carcinoma in situ | |||
| SUPRAGLOTTIS | ||||
| T1 | Tumor limited to one subsite of supraglottis with normal vocal cord mobility | |||
| T2 | Tumor invades more than one subsits of supraglottis or glottis, with normal vocal cord mobility | |||
| T3 | Tumor limited to larynx with vocal cord fixation and/or invades postcricoid area, medial wall of piriform sinus, or pre-epigottic tissue | |||
| T4 | Tumor invades through thyroid cartilage and/or wxtends to other tissues beyond the larynx, e.g. oropharynx, soft tissues of neck | |||
| GLOTTIS | ||||
| T1 | Tumor limited to vocal cord(s) (may involve anterior or posterior commissures) with normal vocal cord mobility | |||
| T1a | Tumor limited to one vocal cord | |||
| T1b | Tumor involves both vocal cords | |||
| T2 | Tumor extends to supraglottis and/or subglottis, and/or with impaired vocal cord mobility | |||
| T3 | Tumor limited to the larynx with vocal cord fixation | |||
| T4 | Tumor invades through thyroid cartilage and/or extends to other tissues beyond the larynx, e.g. oropharynx, soft tissues of neck | |||
| 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 through cricoid or thyroid cartilage and/or extends to other tissues beyond the larynx, e.g., oropharynx, soft tissues of neck | |||
| LYMPH NODE (N) | ||||
| NX | Regional lymph nodes cannot be assessed | |||
| N0 | No regional lymph node metastasis | |||
| N1 | Metastasis in a single ipsilateral lymph node, 3 cm or less in greatest dimension | |||
| N2 | Metastasis in a single ipsilateral lymph node, more than 3 cm but not more than 6 cm in greatest dimension, or multiple ipsilateral lymph nodes, none more than 6 cm in greatest dimension, or bilateral or ontralateral lymph nodes, none more than 6 cm in greatest dimension | |||
| N2a | Metastasis in a single ipsilateral lymph node more than 3 cm but not more than 6 cm in greatest dimension | |||
| N2b | Metastasis in multiple ipsilateral lymph nodes, none more than 6 cm in greatest dimension | |||
| N2c | Metastasis in bilateral or contralateral lymph nodes, none more than 6 cm in greatest dimension | |||
| N3 | Metastasis in lymph node more than 6 cm in greatest dimension | |||
| DISTANT METASTASIS (M) | ||||
| MX | Presence of distant metastasis cannot be assessed | |||
| M0 | No distant metastasis | |||
| M1 | Distant metastasis | |||
| CLIN | PATH | STAGE GROUPING | |||
| 0 | Yis | N0 | M0 | ||
| I | T1 | N0 | M0 | ||
| II | T2 | N0 | M0 | ||
| III | T3 | N0 | M0 | ||
| T1 | N1 | M0 | |||
| T2 | N1 | M0 | |||
| T3 | N1 | M0 | |||
| IV | T4 | N0 | M0 | ||
| T4 | N1 | M0 | |||
| Any T | N2 | M0 | |||
| Any T | N3 | M0 | |||
| Any T | Any N | M1 | |||
THE FINAL STAGE GROUPING (CLINICAL & PATHOLOGICAL) IS THE RESPONSIBILITY OF THE ATTENDING PHYSICIAN.
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