Assertion: melanoma | /r/HasProperty | caught at early stage
Facets:
value: very
type: DEGREE
Source sentences:
text: When melanoma is caught at a very early stage and it hasn't penetrated beneath the surface of the skin, it's known as melanoma in situ.
text: Melanoma is the deadliest form of skin cancer, but it’s often treatable if caught at an early stage.