Assertion: prostate cancer | /r/HasProperty | diagnosed with a psa blood test
Facets:
value: less frequently,
type: DEGREE
value: because of screening
type: CAUSE
value: in the united states
type: LOCATION
Source sentences:
text: In the United States, most prostate cancers are diagnosed because of screening, either with a PSA blood test or, less frequently, with a digital rectal examination.