Assertion: tumor's type | /r/HasProperty | glioblastoma
Facets:
Source sentences:
text: The most common types of primary tumors in adults are meningiomas (usually benign) and astrocytomas such as glioblastomas.
text: The type of brain tumor that doctors removed from Sen. John McCain on Friday is an aggressive one known as a glioblastoma, a highly malignant form of cancer that spreads quickly due to its association with a large network of blood vessels in the brain.