Glioblastoma brain cancer, CT scan - stock photo

Glioblastoma brain cancer. Coloured computed tomography (CT) scan of a section through the brain of an 84-year-old female patient with glioblastoma (dark, top). Glioblastoma is the most aggressive form of brain cancer. Treatment involves surgery, after which chemotherapy and radiation therapy are used. However, the cancer usually reoccurs despite treatment and the most common length of survival after diagnosis is 12-15 months. Without treatment, survival is typically 3 months.