Table 2.
Clinical characteristics of patients with recurrent disease (n = 108).
| Variable | Patients (108), n (%) |
|---|---|
| Local recurrence | 40 (38) |
| Regional recurrence | 25 (24) |
| Locoregional recurrence | 13 (13) |
| Distant metastases | 16 (15) |
| locoregional and distant | 5 (4) |
| Second primary | 7 (6) |
| Primary T stage | |
| T1 | 26 (24) |
| T2 | 55 (50) |
| T3 | 20 (19) |
| T4 | 7 (7) |
| Primary N stage | |
| N0 | 44 (40) |
| N1 | 26 (24) |
| N2 | 38 (35) |
| N3 | 0 |
| Recurrent T stage | 85 (100) |
| rT0 | 26 (30) |
| rT1 | 10 (13) |
| rT2 | 13 (15) |
| rT3 | 5 (6) |
| rT4 | 31 (36) |
| Recurrent N stage | 85 (100) |
| rN0 | 40 (47) |
| rN1 | 13 (15) |
| rN2 | 16 (19) |
| rN3 | 16 (19) |
| Palliative care | 72 (67) |
| Salvage surgery | 36 (33) |
| Free surgical margins | 22 (61) |
| Involved margins | 14 (39) |
| Subsequent recurrence | 21/36 (58) |
| Recurrent tumor location | 36 (100) |
| Tongue | 14 (39) |
| Floor of mouth | 13 (36) |
| Buccal mucosa | 6 (17) |
| Other | 3 (8) |