Assertion: brain tumor | /r/HasProperty | rare
Facets:
value: very
type: DEGREE
value: with around two percent of cancers
type: OTHER
value: fortunately
type: DEGREE
Source sentences:
text: brain tumors are pretty rare.
text: Brain tumor is a rare type of tumor and most people are not aware about it.
text: But spinal cord and brain tumors are very rare forms of cancer, accounting for less than 2 percent of all cancers.
text: Fortunately, brain tumors in general are very rare, with around two percent of cancers occurring in the brain.