| 21. | Participants will receive annual digital rectal exams and prostate-specific antigen ( PSA ) screenings.
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| 22. | Some screening protocols are currently not accurate ( such as prostate-specific antigen testing ).
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| 23. | To monitor progression of their disease, Ornish conducts prostate-specific antigen screening every three months.
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| 24. | Only the level of prostate specific antigens, or PSAs, " are the true test,"
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| 25. | The prostate specific antigen test for prostate cancer was a normal 0 . 82.
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| 26. | These T cells appear to be driven by specific antigens to invade muscle fibers.
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| 27. | Each antibody recognizes a specific antigen unique to its target.
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| 28. | Cancer-germline genes are an important source of tumor-specific antigens.
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| 29. | Prostate : Annual prostate specific antigen ( PSA ) test should begin at age 50.
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| 30. | Prostate-specific antigens are released only by the prostate gland.
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