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Dr. Klein: Prostate cancer is an enigma. While this tumor is the second leading cause of cancer death among American men, most newly diagnosed disease detected by PSA screening is biologically indolent and does not require immediate therapy. Currently, the main clinical challenge in these men is to distinguish between those who can be managed by active surveillance from those who require curative intervention. Current clinical and pathological tools used for risk stratification are limited in accuracy for distinguishing between these scenarios.

An abundance of research in the last decade has provided evidence that genomics can offer meaningful and clinically actionable biological information to help inform decision making, and current National Comprehensive Cancer Network (NCCN) guidelines on prostate cancer endorse the use of commercially available genomic tools for men considering active …