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What is protein specific angina (PSA)?

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Your prostate makes a protein called prostate specific antigen (PSA). A PSA test shows how much of this protein is in your bloodstream. A little is OK. But if your levels are higher than normal, your prostate might be infected, inflamed, or you could have cancer. A prostate biopsy is usually done to see if there's cancer.

American Cancer Society: "Prostate Cancer."

CDC: “Prostate Cancer.”

Mayo Clinic: “Prostate Cancer.”

FDA: "FDA approves apalutamide for metastatic castration-sensitive prostate cancer."

Reviewed by Laura J. Martin on November 20, 2019

American Cancer Society: "Prostate Cancer."

CDC: “Prostate Cancer.”

Mayo Clinic: “Prostate Cancer.”

FDA: "FDA approves apalutamide for metastatic castration-sensitive prostate cancer."

Reviewed by Laura J. Martin on November 20, 2019

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What is active surveillance for prostate cancer?

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