Table 2. Regional Lymph Nodes (N)a,b
| NX | Regional lymph nodes cannot be assessed. |
| N0 | No regional lymph node metastasis. |
| N1 | Metastases in 1–2 regional lymph nodes. |
| N2 | Metastases in 3–6 regional lymph nodes. |
| N3 | Metastases in ≥7 regional lymph nodes. |
| aReprinted with permission from AJCC: Esophageal and esophagogastric junction. In: Edge SB, Byrd DR, Compton CC, et al., eds.: AJCC Cancer Staging Manual. 7th ed. New York, NY: Springer, 2010, pp 103-15. |
| bNumber must be recorded for total number of regional nodes sampled and total number of reported nodes with metastasis. |