Pretreatment tumor characteristics (n= 64)
| Variable | No. of Patients | % of Total |
|---|---|---|
| T classification | ||
| T1 | 10 | 16 |
| T2 | 30 | 47 |
| T3 | 11 | 17 |
| T4 | 13 | 20 |
| N classification | ||
| N0 | 51 | 80 |
| N1 | 7 | 11 |
| N2 | 6 | 9 |
| Vocal cord mobility (left side) | ||
| Normal | 52 | 81 |
| Impaired | 7 | 11 |
| Fixed | 5 | 8 |
| Vocal cord mobility (right side) | ||
| Normal | 56 | 87 |
| Impaired | 7 | 11 |
| Fixed | 1 | 2 |
| Histopathology | ||
| Well-differentiated | 10 | 16 |
| Moderately differentiated | 43 | 67 |
| Poorly differentiated | 11 | 17 |