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JULY 4: SCIENCE DAILY: Cancer experts at Johns Hopkins say a study tracking 774 prostate cancer patients for a median of eight years has shown that a three-way combination of measurements has the best chance yet of predicting disease metastasis. READ MORE>

The new prediction method comprises the length of time it takes for PSA (prostate-specific antigen) to double, Gleason score (a numeric indicator of prostate cancer aggressiveness as seen under the microscope), and the interval between surgical removal of the prostate and the first detectable PSA level.

According to Johns Hopkins investigators, combining these three measurements more accurately estimates risk that the cancer has spread than do other methods and should help determine which patients may benefit from additional therapy when PSA levels rise after surgery to remove the prostate.

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