Assertion: gene's child | /r/CapableOf | develop retinoblastoma
Facets:
value: usually
type: TEMPORAL
value: in both eyes
type: LOCATION
Source sentences:
text: Children born with a mutation in the RB1 gene usually develop retinoblastoma in both eyes (known as bilateral retinoblastoma), and there are often several tumors within the eye (known as multifocal retinoblastoma).