A tumour could be a mass or growth of abnormal cells in your brain. Many different types of brain tumors exist.
Some brain tumors are noncancerous (benign), cancerous (malignant). Brain tumors will begin in your brain (primary brain tumors), or willcer can begin in different elements of your body and unfold to your brain (secondary, or metastatic, brain tumors).
How quickly a tumour grows will vary greatly. The growth rate also as location of a tumour determines however it'll have an effect on the perform of your system.