Assertion: malignant brain tumor | /r/HasProperty | glioblastoma
Facets:
Source sentences:
text: The most common brain tumor is metastases (cancer that spreads from a different source of the body to the brain), but the most common primary malignant brain tumor in adults is glioblastoma.
text: However, after test results from the procedure returned, doctors confirmed McCain has a cancerous brain tumor known as a glioblastoma.
text: The most common malignant brain tumors are glioblastomas.