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Initial responses to head and neck HFRT (n=62).
| Characteristic | N (%) |
|---|---|
| Response | |
| Complete | 6 (10) |
| Partial | 43 (69) |
| Stable disease | 10 (16) |
| Progressive disease | 2 (3) |
| Unknown | 1 (2) |
| Modality to determine response | |
| CT | 10 (16) |
| PET/CT | 10 (16) |
| MRI | 16 (26) |
| CT and MRI | 2 (3) |
| Clinical examination only | 24 (39) |
Abbreviations: CT, computed tomography. PET, postiron emission tomography. MRI, magnetic resonance imaging.
