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  • Updated: 07/31/2014

Table 2. Regional Lymph Nodes (N)a

aReprinted with permission from AJCC: Anus. In: Edge SB, Byrd DR, Compton CC, et al., eds.: AJCC Cancer Staging Manual. 7th ed. New York, NY: Springer, 2010, pp 165-73.
NXRegional lymph nodes cannot be assessed.
N0No regional lymph node metastasis.
N1Metastases in perirectal lymph node(s).
N2Metastases in unilateral internal iliac and/or inguinal lymph node(s).
N3Metastases in perirectal and inguinal lymph nodes and/or bilateral internal iliac and/or inguinal lymph nodes.