label: Nasal Cavity and Ethmoid Sinus Cancer pT4b TNM Finding v7
label_lc: nasal cavity and ethmoid sinus cancer pt4b tnm finding v7
description: "Nasal cavity and ethmoid sinus cancer with 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. (from AJCC 7th Ed.)"