Decade-long trends in prostate cancer biopsy grade groups and treatment within a population-based registry.

From 2011 to 2020, there has been a substantial decrease in the proportion of GG 1 PCa diagnosed, particularly in younger men. The percentage of interventional management performed in GG 1 disease has fallen to very low levels. These results reflect the implementation of major changes to diagnostic and treatment guidelines and inform the future allocation of treatment methods.