From: Long-term outcome and patterns of failure in patients with advanced head and neck cancer
Patient characteristic | No. of patients | Percentage |
---|---|---|
Gender | Â | Â |
Male | 110 | 87 |
Female | 17 | 13 |
Tumor localization | Â | Â |
Oropharyngeal | 86 | 68 |
Hypopharyngeal | 41 | 32 |
Etiologic factors | Â | Â |
Alcohol abuse | 102 | 80 |
Tobacco abuse | 99 | 78 |
HPV16/p16 | Â | Â |
Positive | 5 | 12 |
Negative | 38 | 88 |
TNM-Staging | Â | Â |
T2 | 9 | 7 |
T3 | 24 | 19 |
T4 | 94 | 74 |
Tx | 3 | 2 |
N0 | 7 | 6 |
N1 | 6 | 5 |
N2 (a/b/c) | 97 (2/35/60) | 77 (2/28/47) |
N3 | 17 | 13 |
Tumor stage according to UICC classification 1997 | Â | Â |
III IVA | 6 104 | 5 82 |
IVB | 17 | 13 |