Assertion: mri | /r/HasProperty | obscured by the implant
Facets:
value: on a mammogram
type: LOCATION
value: sometimes
type: TEMPORAL
Source sentences:
text: MRI is also excellent at imaging the augmented breast, including both the breast implant itself and the breast tissue surrounding the implant (abnormalities or signs of breast cancer can sometimes be obscured by the implant on a mammogram).