Post-treatment Face/Sinus MRI +/- PET INDICATION: [ ] Subsite: [ ] HPV or EBV status: [ ] Surgery: [ ] Chemoradiation: [ ] TECHNIQUE: COMPARISON: [] FINDINGS: Primary site: [] Perineural disease: [] Brain, orbits: [] Upper neck only: [] Post-treatment changes: Expected post-treatment changes are noted including [] Calvarium and spine: [] IMPRESSION: Primary: MR-NI-RADS Score [1]. [] Neck: MR-NI-RADS Score: [1]. []