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Paranasal Sinus and Nasal Cavity Cancer Treatment (PDQ®)

  • Updated: 07/31/2014

Table 2. Regional Lymph Nodes(N)a

aReprinted with permission from AJCC: Paranasal sinus and nasal cavity. In: Edge SB, Byrd DR, Compton CC, et al., eds.: AJCC Cancer Staging Manual. 7th ed. New York, NY: Springer, 2010, pp 69-78.
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, or metastases in multiple ipsilateral lymph nodes, ≤6 cm in greatest dimension, or in bilateral or contralateral lymph nodes, ≤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, ≤6 cm in greatest dimension.
N2cMetastases in bilateral or contralateral lymph nodes, ≤6 cm in greatest dimension.
N3Metastasis in a lymph node, >6 cm in greatest dimension.