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Description of cancer specific factors.
| Cancer related factor | Patients, No. (%) |
|---|---|
| Head and neck subsite | |
| Oral Cavity | 16 (32) |
| Oropharynx | 23 (46) |
| p16 positive | 19 |
| p16 negative | 4 |
| Larynx | 15 (30) |
| Clinical T stage | |
| 1 | 16 (32) |
| 2 | 17 (34) |
| 3 | 7 (14) |
| 4 | 10 (20) |
| Neck node status | |
| Negative | 21 (42) |
| Positive | 29 (58) |
| Overall prognostic stage | |
| I | 18 (36) |
| II | 11 (22) |
| III | 9 (18) |
| IV | 12 (24) |
