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Clinical and pathological N for p16 positive oropharyngeal Carcinoma, Eighth Edition TNM (from Amid et al., 2017 43, mod.).
| T category | N criteria |
|---|---|
| Nx | Regional lymph nodes cannot be assessed |
| N0 | No regional lymph node metastasis |
| N1 | One or more ipsilateral lymph nodes, none larger than 6 cm |
| N2 | Contralateral or bilateral lymph nodes, none larger than 6 cm |
| N3 | Lymph node(s) larger than 6 cm |
