Assertion: malignant brain tumor | /r/HasProperty | cancer
Facets:
Source sentences:
text: A metastatic brain tumor is cancer that has spread (metastasized) from another part of the body to the brain.
text: Malignant brain tumors are cancer.
text: Malignant primary brain tumors are cancers that originate in the brain, typically grow faster than benign tumors, and aggressively invade surrounding tissue.