” Glioblastoma grows very aggressively because it creates its own blood supply and it destroys normal brain tissue rapidly. There are treatment options available that can ease the symptoms. Depending on where the brain tumor is located, different signs are more obvious than others because your brain affects different parts of the body. To keep a close eye on the tumor your Oncologist will have you every month to every 3 months or more depending on how the tumor is growing.”
Fact&Health (10 Signs and Symptoms of Glioblastoma @ facty.com)