Assertion: polyp | /r/CapableOf | start out benign
Facets:
value: in adults
type: TEMPORAL
value: often
type: TEMPORAL
Source sentences:
text: A polyp of the ampulla starts out benign but can turn into cancer of the ampulla as it grows.
text: In adults, polyps often start out benign but can become malignant over time, reports YourSurgery.com.