Understanding the meaning of prostate cancer cure is one of the most important things in your research on this cancer. And, it’s easy to understand because it is based on the PSA test. As you know, we use the PSA test to find prostate cancer. But an equally important, maybe more important, use of the PSA test is to find out how well any treatment cures prostate cancer. Although there are questions about using the PSA test for screening for prostate cancer, there is no question about the value of the PSA test in determining cure.