A Patient Learns He Has an Elevated Prostate-Specific Antigen (PSA)

A patient learns he has an elevated prostate-specific antigen (PSA) and asks the nurse what this means. What is the best response?

A) "The higher the PSA, the better. It is protective against prostate cancer."
B) "An elevated PSA can indicate prostatic hypertrophy or cancer. You should follow up as your physician advises."
C) "Prostate cancer causes the PSA to increase. You should talk to your physician about treatment."
D) "An elevated PSA is usually harmless. Your physician will watch it carefully over the next couple of months."