Assertion: prophylactic mastectomy | /r/HasProperty | considered in patient
Facets:
value: with a demonstrated brca gene mutation
type: OTHER
Source sentences:
text: Although the definition of “high-risk” is somewhat arbitrary, the consensus of opinion is that prophylactic mastectomy may be considered only in patients at high-risk of breast cancer with a demonstrated BRCA gene mutation or a life-long risk level in excess of 25 to 30 %.