Brain tumor surgery, Pituitary tumor surgery, Radiation therapy, Stereotactic radiosurgery, Acoustic neuroma, Brain met...astasis, Brain tumor, Brain tumor-associated epilepsy, Chondrosarcoma, Chordoma, Ependymoma, Epilepsy, Glioblastoma, Glioma, Glioma-associated epilepsy, Meningioma, Pituitary tumor, Schwannoma, Spinal cord tumor