Radiation therapy, Minimally invasive surgery, Stereotactic radiosurgery, Brain tumor surgery, Brain stereotactic radio...surgery, Awake brain surgery, Craniotomy, Transsphenoidal surgery, Skull base surgery, Minimally invasive neurosurgery, Laser interstitial thermotherapy, Keyhole craniotomy, Endoscopic procedure, Laser ablation, External ventricular drain placement, Pituitary tumor surgery, Gamma knife surgery, Endoscopic skull base surgery, Meningioma, Brain cancer, Brain tumor, Brain metastasis, Glioma, Spinal cord tumor, Acoustic neuroma, Neuroblastoma, Pituitary tumor, Chondrosarcoma, Schwannoma, Glioblastoma, Skull base tumor, Ependymoma, Astrocytoma, Esthesioneuroblastoma, Craniopharyngioma, Oligodendroglioma, Chordoma, CSF leak, Oligoastrocytoma, Brain tumor-associated epilepsy, Glioma-associated epilepsy