Assertion: prostate cancer's stage | /r/HasProperty | asymptomatic
Facets:
value: often
type: DEGREE
Source sentences:
text: Yet the early stages of prostate cancer are often asymptomatic, so the disease often goes undetected until the patient has a routine physical examination .
text: Yet the early stages of prostate cancer are often asymptomatic, so the disease often goes undetected until the patient has a routine physical examination .