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Biochemical recurrence
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<p>Biochemical recurrence is a rise in the blood level of <a href="/facts/Prostate-specific_antigen/HaylgTdR">prostate-specific antigen</a> (PSA) in <a href="/facts/Prostate_cancer/Mx7XuDhm">prostate cancer</a> patients after treatment with <a href="/facts/Surgery/fG8tWf5Y">surgery</a> or <a href="/facts/Radiation/RwMocyeq">radiation</a>. Biochemical recurrence may occur in patients who do not have <a href="/facts/Symptoms/BzP6MrTN">symptoms</a>. It may mean that the <a href="/facts/Cancer/PVW6n1D0">cancer</a> has come back. Also called PSA failure and biochemical relapse. </p><p>It is used to detect <a href="/facts/Metastatic_progression/4dadbm6z">metastatic progression</a> of the prostate cancer. </p>