How can one prevent glioblastoma form getting worse?

Q: My father has been recently diagnosed to be suffering from glioblastoma grade 4. How can one prevent the tumour from growing?

A:I am sorry to learn of the diagnosis in your father. Glioblastoma is a highly malignant brain tumour, arising from the supporting glial cells. The outlook for the future is guarded.Treatment to reduce the chances of it growing again and causing problems includes irradiation therapy to the tumour bed and chemotherapy. It is best to consult a senior cancer therapist (oncologist) and follow this expert's advice.