Whether a man without symptoms of prostate cancer should be screened with a prostate-specific antigen (PSA) test is a controversial question. Prostate cancer is usually a very slow growing cancer, and many men die with prostate cancer, not from it. Learning that you have a slow-growing cancer may just worry you and may lead you to have unnecessary, sometimes invasive tests or undergo treatment. On the other hand, some doctors argue that knowing a man’s PSA level and watching how it changes over time is valuable information.

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