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Lymph Nodes Oropharyngeal and Hypopharyngeal Cancer Staging

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awadahmed's version from 2015-09-12 15:33

Section

Question Answer
NXRegional nodes cannot be assessed
N0No regional lymph node metastasis
N1Metastasis in a single ipsilateral lymph node =3cm in greatest dimension
N2Metastasis in a single ipsilateral lymph node >3cm but not more than 6cm in greatest dimension; or in multiple ipsilateral lymph nodes, none >6cm in greatest dimension; or in bilateral or contralateral lymph nodes, none >6cm in greatest dimension
N2aMetastasis in a single ipsilateral lymph node >3cm but not more than 6cm in greatest dimension
N2bMetastasis in multiple ipsilateral lymph nodes, none >6cm in greatest dimension
N2cMetastasis in bilateral or contralateral lymph nodes, none >6cm in greatest dimension
N3Metastasis in a lymph node >6cm in greatest dimension
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