| Inclusion criteria |
Exclusion criteria |
| Patients with recurrent head and neck cancer or second tumor in the head and neck area, previously irradiated. |
Patients with poor performance status |
| Patient with good performance status, ECOG 0-1 |
Existence prior chronic toxicity important (>G3) |
| Time since first irradiation at least 6 months. |
Cumulative doses greater than 54 Gy spinal |
| |
Existence of distant metastases |
| Analyzed Variables |
| Location of the primary tumor |
Disease-free interval |
| Staging of the first disease |
Variation between initial histological grade and tumor recurrence or second primary |
| First therapeutic scheme |
Second therapeutic scheme |
| Existence of recurrent disease that required other previous treatments (surgery or CT) |
Indication of surgery.Prior to RR |
| Second disease: local recurrence, nodal recurrence or second primary tumor |
Display QT in the second treatment |
| Interval between radiation treatments, IBT |
Get lower or higher doses 60 Gy or 66 Gy |
