Nasopharyngeal Cancer pT4 TNM Finding v9

**Semantic type:** Finding

**Definition:** Nasopharyngeal cancer with any of the following: intracranial extension, unequivocal radiological and/or clinical involvement of cranial nerves, involvement of hypopharynx, involvement of orbit (including inferior orbital fissure), involvement of parotid gland, extensive soft tissue infiltration beyond the anterolateral surface of the lateral pterygoid muscle. (from AJCC 9th Ed.)

**Synonyms:** - Nasopharyngeal Carcinoma pT4 TNM Finding v9