Table 1.
The clinical characterization of the study group
| Number of patients | 53 |
| Male | 49 |
| Female | 4 |
| Age (years) | |
| Range | 29–82 |
| Mean | 57 |
| Habits | |
| Smoking | 35 |
| Smoking and alcohol | 13 |
| No drinking and no smoking | 5 |
| TNM | |
| T1 | 6 |
| T2 | 24 |
| T3 | 12 |
| T4 | 11 |
| N0 | 25 |
| N1 | 15 |
| N2 | 12 |
| N3 | 1 |
| M0 | 0 |
| G stage | |
| G1 | 7 |
| G2 | 41 |
| G3 | 5 |
| Tumor localization | |
| Tonsils (no infiltration of the base of the tongue) | 13 |
| Tongue (2/3 anterior, no infiltration of the floor of the mouth) | 16 |
| Tongue and floor of the mouth | 11 |
| Palate | 3 |
| Lips | 1 |
| Base on the tongue and tonsils | 8 |
| Cheek | 1 |