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Laryngeal Cancer Treatment (PDQ®)

  • Updated: 04/15/2014

Table 2. Regional Lymph Nodesab

NXRegional lymph nodes cannot be assessed.
N0No regional lymph node metastasis.
N1Metastasis in a single ipsilateral lymph node, ≤3 cm in greatest dimension.
N2Metastasis in a single ipsilateral lymph node, >3 cm but ≤6 cm in greatest dimension.
Metastases in multiple ipsilateral lymph nodes, none >6 cm in greatest dimension.
Metastases in bilateral or contralateral lymph nodes, none >6 cm in greatest dimension.
N2aMetastasis in a single ipsilateral lymph node, >3 cm but ≤6 cm in greatest dimension.
N2bMetastases in multiple ipsilateral lymph nodes, none >6 cm in greatest dimension.
N2cMetastases in bilateral or contralateral lymph nodes, none >6 cm in greatest dimension.
N3Metastasis in a lymph node, >6 cm in greatest dimension.

aReprinted with permission from AJCC: Laryngeal. In: Edge SB, Byrd DR, Compton CC, et al., eds.: AJCC Cancer Staging Manual. 7th ed. New York, NY: Springer, 2010, pp 57-67.
bMetastases at level VII are considered regional lymph node metastases.