Brain tumors are devastating diseases that occur when resident brain cells are transformed.As most other solid tumors,brain tumors are classified as either malignant or benign.Gliomas are the most common malignant brain tumors in the central nervous system,accounting for around 70%of the newly diagnosed cases in adults.They constitute approximately 30%of all brain tumors,and approximately60%of gliomas occur in the four lobes of the brain.Over-
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