A way to tell if surgery for prostate cancer (radical prostatectomy) has been successful is the post-surgical PSA value: the lower it is, the better. The reason for this is that PSA (prostate-specific antigen) is produced exclusively in prostate or prostate cancer cells. This means that if the prostate and the tumor have been completely removed, the PSA value should no longer be detectable.
Is PSA still measurable after surgical removal of the prostate? There are several reasons for this
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