Maxillary Sinus Cancer pT4b TNM Finding v8

**Semantic type:** Finding

**Definition:** Maxillary 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.)

**Synonyms:** - Maxillary Sinus Carcinoma pT4b TNM Finding v8