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Lymph Nodes Nasopharynx

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awadahmed's version from 2015-09-12 15:42

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Question Answer
N0No regional lymph node metastasis
N1Unilateral metastasis in cervical lymph nodes =6cm in greatest dimension, above the supraclavicular fossa, and/or unilateral or bilateral retropharyngeal lymph nodes =6 cm in greatest dimension (midline nodes are considered ipsilateral nodes)
N2Bilateral metastasis in cervical lymph nodes =6cm in greatest dimension, above the supraclavicular fossa (midline nodes are considered ipsilateral nodes)
N3Metastasis in a lymph node >6cm and/or to the supraclavicular fossa (midline nodes are considered ipsilateral nodes)
N3a>6cm in dimension
N3bExtension to the supraclavicular fossa
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