Brain Tumor Frequently Asked Questions

Premier Health providers answer frequently asked questions about brain tumors. 

What is the difference between grades and stages?

In the brain, tumors are graded, not staged as in other types of cancers. A stage tells you where a tumor is in relationship to the organ of origin, but stages don’t apply to brain tumors because they stay within the central nervous system. There are three to four grades of gliomas. Grade I glioma is usually a disease of childhood and can typically be cured by surgical removal. Grades II to IV are called called brain cancer. Lower grades can progress to a more aggressive grade, so they are all considered to be malignant.

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