Table 2. Regional Lymph Nodes (N)a,b
| NX | Regional lymph nodes cannot be assessed. |
| N0 | No regional lymph node metastasis. |
| N1 | Metastasis in a single lymph node, ≤2 cm in greatest dimension. |
| N2 | Metastasis in a single lymph node, >2 cm but not >5 cm in greatest dimension; or multiple lymph nodes, none >5 cm in greatest dimension. |
| N3 | Metastasis in a lymph node, >5 cm in greatest dimension. |
| aReprinted with permission from AJCC: Renal pelvis and ureter. In: Edge SB, Byrd DR, Compton CC, et al., eds.: AJCC Cancer Staging Manual. 7th ed. New York, NY: Springer, 2010, pp 491-6. |
| bLaterality does not affect the N classification. |
