Mesenchymal chondrosarcoma of the left maxillary sinus; completed radiation therapy in March 2013 and chemotherapy in May 2013. There are post-treatment findings in the left maxillary sinus and nasal cavity region. There is no evidence of measurable mass lesions to suggest tumor recurrence. There is scattered mucosal thickening in the ethmoid sinuses and small retention cysts in the right maxillary sinus. The facial soft tissues are unremarkable. There is no significant cervical lymphadenopathy. The partially imaged intracranial structures and orbits are grossly unremarkable.
Post-treatment findings in the left sinonasal region without evidence of measurable locoregional tumor recurrence.