T1N2 EBV-associated poorly differentiated nasopharyngeal squamous cell carcinoma status post treatment. There are post-treatment findings in the nasopharyngeal region without evidence of measurable tumor in the treatment bed. There is no significant region lymphadenopathy. There appears to be mild patchy edema in the right aspect of the clivus, which may be treatment-related. The skull base otherwise appears to be intact. The imaged intracranial structures and orbits are unremarkable. There is scattered nonspecific bilateral mastoid fluid signal. There is scattered paranasal sinus mucosal thickening.
No evidence of measurable residual or recurrent nasopharyngeal tumor.