Images from 6/9/2016: Persistent enhancement of cavity, evolving enhancing nodule, stable FLAIR; patient asymptomatic.

9/8/2016: Surgical cavity collapsed; monitoring enhancement of cavity as well as nodule.

10/13/2016: surgical cavity collapsed, monitoring enhancement of cavity as well as nodule; reviewed images in multidisciplinary fashion and opted for resection.

Preoperative image: FLAIR changes on right side.