A brain tumor is an abnormal mass or growth of cells that forms in or near structures in the brain. Benign (noncancerous) or malignant (cancerous) brain tumors begin in different types of cells in the brain, such as:B. Glial cells that support and nourish brain neurons. Brain tumor symptoms vary depending on the location and size of the tumor, but common symptoms include headaches, seizures, balance and coordination problems, vision and hearing problems,  mood and behavior changes, and weakness on one side of the body. There are feelings. and hearing loss. Diagnosis of brain tumors is usually done with a combination of imaging tests, such as: B. MRI or CT scan and  biopsy to determine tumor type. Treatment options for brain tumors include surgery, radiation therapy, chemotherapy, or a combination of these treatments, depending on the type and location of the tumor, the patient`s general health, and other factors. It is important to see a doctor if you have symptoms that may indicate a brain tumor.