Table 2. Regional Lymph Nodes (N)a,b
| NX | Lymph nodes cannot be assessed. |
| N0 | No lymph node metastasis. |
| N1 | Single regional lymph node metastasis in the true pelvis (hypogastric, obturator, external iliac, or presacral lymph node). |
| N2 | Multiple regional lymph node metastases in the true pelvis (hypogastric, obturator, external iliac, or presacral lymph node). |
| N3 | Lymph node metastases to the common iliac lymph nodes. |
| aReprinted with permission from AJCC: Urinary bladder. In: Edge SB, Byrd DR, Compton CC, et al., eds.: AJCC Cancer Staging Manual. 7th ed. New York, NY: Springer, 2010, pp 497–505. |
| bRegional lymph nodes include both primary and secondary drainage regions. All other nodes above the aortic bifurcation are considered distant lymph nodes. |
