- A malignant brain tumour is a type of cancer that starts in the brain or spreads into the brain from another area of the body.
- It's different to a benign brain tumour, which is not cancerous and usually grows more slowly.
- How serious a malignant brain tumour is depends on how big it is, if it has spread and your general health.
What is a malignant brain tumour (brain cancer)?
Page last reviewed: 9 April 2025
Next review due: 9 April 2028