label: Stage IVA Nasopharyngeal Keratinizing Squamous Cell Carcinoma AJCC v7
label_lc: stage iva nasopharyngeal keratinizing squamous cell carcinoma ajcc v7
description: "Stage IVA includes: (T4, N0, M0); (T4, N1, M0); (T4, N2, M0). T4: Nasopharyngeal cancer with intracranial extension and/or involvement of cranial nerves, hypopharynx, orbit, or with extension to the infratemporal fossa/masticator space.  N0: No regional lymph node metastasis. N1: Nasopharyngeal cancer with unilateral metastasis in cervical lymph node(s), 6 cm or less in greatest dimension, above the supraclavicular fossa, and/or unilateral or bilateral, retropharyngeal lymph nodes, 6 cm or less in greatest dimension.  Midline nodes are considered ipsilateral nodes.  N2: Nasopharyngeal cancer with bilateral metastasis in cervical lymph node(s), 6 cm or less in greatest dimension, above the supraclavicular fossa.  Midline nodes are considered ipsilateral nodes. M0: No distant metastasis. (AJCC 7th ed.)"