Assertion: prostate cancer | /r/HasProperty | stage
Facets:
value: based on the extent
type: OTHER
Source sentences:
text: When prostate cancer is stage 3, tumor within the prostate has extended through the cover (membrane) of the gland.
text: Prostate cancer is staged based on the extent (how much the cancer has spread) of the cancer (using T, N, and M categories) and the PSA level and Gleason score (Grade Group) when it is first diagnosed.
text: Where a PSA test has been taken, prostate cancer will be stage 1 if the patients PSA score is less than 10 (and the requirements from other factors such as a Gleason score, location and coverage of the cancer are met).