| Characteristic | No. of Patients | |
|---|---|---|
| Total | 64 | |
| Median age (Years) | 71 (31-91) | |
| Gender | Male | 37 |
| Female | 27 | |
| Site | Tongue | 29 |
| Gingiva | 20 | |
| Buccal mucosa | 4 | |
| Floor of mouth | 5 | |
| Palate | 2 | |
| Sinus | 1 | |
| lip | 2 | |
| Pharynx | 1 | |
| T-grades | T1 | 11 |
| T2 | 23 | |
| T3 | 18 | |
| T4 | 12 | |
| Metastasis | ||
| Negative | 43 | |
| Positive (lymp. N., Post ope) | 17 | |
| (Neck ) | 4 | |
| Mode of invasion# | YK-1 | 6 |
| YK-2 | 12 | |
| YK-3 | 27 | |
| YK-4C | 14 | |
| YK-4D | 5 |