From: Validation of the 8th edition UICC/AJCC TNM staging system for HPV associated oropharyngeal cancer patients managed with contemporary chemo-radiotherapy
Stage
7th Ed TNM. Number (%)
8th Ed TNM Number (%)
I
1 (0.7%)
99 (64.7%)
II
13 (8.5%)
34 (22.2%)
III
33 (21.6%)
19 (12.4%)
IV
106 (69.3%)
Total
153