Assertion: prostate cancer's doctor | /r/HasProperty | sure
Facets:
Source sentences:
text: A problem with overdiagnosis in prostate cancer is that many of these men might still be treated with either surgery or radiation, either because the doctor can’t be sure how quickly the cancer might grow and spread, or because the man is uncomfortable knowing he has cancer and is not getting any treatment.
text: To be sure the prostate is destroyed without too much damage to nearby tissues, the doctor carefully watches the ultrasound during the procedure.