Assertion: prostate cancer's doctor | /r/CapableOf | use system
Facets:
Source sentences:
text: Doctors use a system called staging to figure out how the cancer affects your prostate and how far it has spread.
text: But even tumors categorized on the more aggressive side per the Gleason scale aren't necessarily especially risky, so doctors may also use another system developed by the International Society of Urological Pathologists called the ISUP Grade Groups, which ranks riskiness into five groups.