label: Stage IVB Paranasal Sinus Cancer AJCC v7
label_lc: stage ivb paranasal sinus cancer ajcc v7
description: "Stage IVB includes: (T4b, Any N, M0); (Any T, N3, M0).  T4b: Very advanced local disease.  Tumor invades any of the following: orbital apex, dura, brain, middle cranial fossa, cranial nerves other than maxillary division of trigeminal nerve, nasopharynx, or clivus.  N3: Metastasis in a lymph node, more than 6 cm in greatest dimension.  M0: No distant metastasis. (AJCC 7th ed.)"