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The aggressiveness of prostate cancer can
be stratified according to risk groups:
1) Low risk prostate cancer:
Clinically in-apparent
tumor (detected by PSA blood test only) or
tumor that involves one half of one lobe of
the prostate or less.
and
PSA blood levels < 10 ng/ml
and
Gleason score = 2-6 not
more
2) Intermediate Risk prostate cancer:
Tumor involves more than
one half of one lobe of prostate, but
without extracapsular extension or seminal
vesicle involvement.
or
PSA blood levels 10 - 20
ng/ml
or
Gleason Score 7
3) High risk prostate cancer:
Tumor in prostate with
extracapsular extension or seminal vesicle
involvement
or
PSA > 20ng/ml
or
Gleason score 8-10
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