DELAYS IN CANCER DETECTION USING 2 AND 4-YEAR SCREENING INTERVALS FOR PROSTATE CANCER SCREENING WITH INITIAL PROSTATE SPECIFIC ANTIGEN LESS THAN 2 NG/ML

The 2 or 4-year PSA screening interval in men with initial serum PSA less than 2 ng/ml would result in substantial delays in prostate cancer detection. To our knowledge the extent to which these delays would affect treatment outcomes is undetermined.