T4N0 nasopharynx adenoid cystic carcinoma, status post chemoradiation. There is a small amount of ill-defined enhancing soft tissue in the left nasopharyngeal region. There is mild scattered paranasal sinus mucosal thickening. There are also persistent left otomastoid effusions. There is no significant cervical lymphadenopathy. The thyroid and salivary glands appear unchanged. There is persistent fluid within the left mastoid air cells and middle ear. The orbits are unremarkable. There is no discernible residual intracranial mass.
Minimal residual treated tumor in the left nasopharyngeal region.