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cooleydd's Archive on May 07, 2008
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Pretreatment prostate specific antigen (PSA) is a strong predictor of prostate cancer outcome after radiotherapy and is a key parameter in pretreatment risk assessment. Because PSA is secreted from both benign and malignant tissue, a prior transurethral resection of prostate (TURP) may lower pretreatment PSA levels out of proportion to the extent of cancer.
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cooleydd