| Region involved | N (%) |
| Maxilla | 1 (3) |
| RetroMolar Trigone (RMT) | 2 (6) |
| Hypopharynx | 3 (9) |
| Larynx | 5 (14) |
| Tongue | 5 (14) |
| Oropharynx | 19 (54) |
| Stage | N |
| IIIA | 6 (17) |
| IIIB | 6 (17) |
| IVA | 23 (66) |