label: Nasal Cavity and Ethmoid Sinus Cancer pT4b TNM Finding v8
label_lc: nasal cavity and ethmoid sinus cancer pt4b tnm finding v8
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 (V2), nasopharynx, or clivus. (from AJCC 8th Ed.)"