The PSA Test Is a Serum Lab Test for Prostate-Specific

The PSA test is a serum lab test for prostate-specific antigen.If the test value is elevated,the patient is at risk for carcinoma of the prostate; a PSA value greater than 10 ng/mL is highly suggestive of prostatic carcinoma.Tissue from a transrectal prostate biopsy provides the cellular information to confirm the diagnosis.The American Urological Association (AUA) prostate cancer staging tool essentially provides which important information about the tissue specimen?

A) Prostate cancer stages of severity
B) Indications for selecting appropriate intervention
C) Prognosis and potential for recovery
D) Men who are at the greatest risk for prostate cancer