DATA FORM FOR CANCER STAGING - MAXILLARY SINUS
Form # 785-1-018
| CLIN | PATH | DEFINITIONS | ||
| PRIMARY TUMOR (T) | ||||
| TX | Primary tumor cannot be assessed | |||
| T0 | No evidence of primary tumor | |||
| Tis | Carcinoma (in situ) | |||
| T1 | Tumor limited to the antral mucosa with no erosion or destruction of bone | |||
| T2 | Tumor with erosion or destruction of the infrastructure including the hard palate and/or the middle nasal meatus | |||
| T3 | Tumor invades any of the following: skin of cheek, posterior wall of the maxillary sinus, floor or medial wall of orbit, anterior ethmoid sinus | |||
| T4 | Tumor invades orbital contents and/or any of the following: cribriform plate, posterior ethmoid or sphenoid sinuses, nasopharynx, soft palate, pterygomaxillary or temporal fossae or base of skull | |||
| 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 contralateral lymph nodes, none more than 6 cm in greatest dimension | |||
| N2a | Metastasis in a single ipsilateral lymph node more than 3 cm but no 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 | Tis | 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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