Brain glioma is a tumor that originates from glial cells inside the brain and spinal cord. Light glial cells nourish and protect nerve cells and provide structural support. Most of the gliomas infiltrate the surrounding normal tissue and grow rapidly, and it is difficult to completely remove them surgically. Among primary intracranial tumors, neurotumors are the most common brain tumors, accounting for about 50%, and are cases in which tumors arise from other cells that support nerve cells. These gliomas do not have clear boundaries, and they do not compress the brain from the outside, but occur in the brain itself and destroy the surrounding normal brain tissue.

Grades 1 and 2 are classified as ‘benign brain tumor’, and grades 3 and 4 are classified as ‘malignant brain tumor’.

For most benign or malignant brain tumors of grade 2 or higher, surgical treatment is the basic treatment.

Depending on the results after surgery, radiation therapy is performed to prevent recurrence after surgery and to enhance the surgical effect. Existing radiotherapy was mainly treatment using x-rays, and the treatment effect has been shown to some extent.