Here are a few links to help you find more about cancer.
- https://www.aans.org/en/Patients/Neurosurgical-Conditions-and-Treatments/Brain-Tumors
- https://www.cancer.net/cancer-types/brain-tumor
- https://www.healthline.com/health/brain-tumor#types
- https://www.mayoclinic.org/diseases-conditions/brain-tumor/symptoms-causes/syc-20350084
