Urological Sciences Research Foundation - USRF

 


Figure 1. Diagram showing effect of PSA testing, which began in the mid-1980s, on volume of index (largest) cancer in the prostate over ensuing years. The index cancer volume, shown as large purple spot, has progressively decreased. In data from Stanford University, volume of the average index cancer found at radical prostatectomy has decreased from 5.3 cc to 2.4 cc over the past 20 years, mainly because of increasingly early diagnosis3.

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