Table 1.
Nx | Regional lymph nodes cannot be assesed |
N0 | No regional lymph node metastases |
N1 | Metastasis in 1–2 regional lymph nodes |
N2 | Metastasis in 3–6 regional lymph nodes |
N3 | Metastasis in 7 or more regional lymph nodes |
N3a | Metastasis in 7–15 regional lymph nodes |
N3b | Metastasis in 16 or more regional lymph nodes |