Examinations on this stage may include the eyes, otolaryngological and electrophysiological exams. The use of electroencephalography usually plays a role in the prognosis of brain tumors. Chemotherapy, targeted biological agents, or a combination thereof. This web site focuses on radiation therapy for mind tumors. A mind tumoris a bunch of irregular cells that grows in or across the brain. They can also indirectly harm wholesome cells by crowding other elements of the mind and inflicting inflammation, mind swelling, and pressure within the cranium.