Table 1 Patient and tumor characteristics at the time of recurrence treated with IOERT
Characteristic | Value (%) |
|---|---|
Patients (n) | 86 |
Age (y) | Â |
 Median | 48.6 |
 Range | 20.9-85.5 |
Locally advanced primary disease (n) | 13/86 (15) |
Recurrent disease (n) | 73/86 (85) |
 First recurrence | 59/73 (81) |
 Multiple previous recurrences | 14/73 (19) |
 Previous EBRT +/− BT | 59/73 (81) |
 Previous surgery | 58/73 (79) |
 Previous systemic therapy | 30/73 (41) |
Interval from diagnosis to recurrence (mo) | Â |
 Median | 25.0 |
 Range | 3.1-379.4 |
Tumor size in maximum dimension (cm) | Â |
 Median | 5.0 |
 Range | 0.5-14.0 |
Tumor histology (n) | Â |
 SCC | 68 (79) |
 AC | 11 (13) |
 ASC | 6 (7) |
 CC | 1 (1) |
Tumor grade (n) | Â |
 High | 73 (85) |
 Low | 8 (9) |
 Unknown | 5 (6) |