Video: What Are Brain Tumors?

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9:00

Each year, about 17,000 people in the US are diagnosed with a primary brain tumor (a tumor that arises in the brain). According to Lisa DeAngelis, Chief of the Department of Neurology at Memorial Sloan Kettering Cancer Center, the cause of a brain tumor is usually unknown, and symptoms are related to the tumor’s location in the brain. Multidisciplinary collaboration is critical to ensuring that patients receive the most-effective treatment possible without damaging healthy areas of the brain.