Prostate cancer volume adds significantly to prostate-specific antigen in the prediction of early biochemical failure after external beam radiation therapy.


PURPOSE A new clinical pretreatment quantity that closely approximates the true prostate cancer volume is defined. METHODS AND MATERIALS The cancer-specific prostate-specific antigen (PSA), PSA density, prostate cancer volume (VCa), and the volume fraction of the gland involved with carcinoma (VCafx) were calculated for 227 prostate cancer patients… (More)


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