A brain tumor is a growth of cells in the brain or near it. Brain Cancer can happen in the brain tissue.Nearby locations include nerves, the pituitary gland Brain Cancer treatment options depend on the type of brain tumor you have, as well as its size and location. Common treatments include surgery and radiation therapy.nd, the pineal gland, and the membranes that cover the surface o... https://healthcheckbox.com/cancer/brain-cancer-treatment/