Does low Decipher score alter your duration of ADT for a high risk prostate cancer patient?

This question contains a few very important concepts that I think most of us were not trained to appreciate (I wasn't) that I will try to expand on:

1. What truly is an NCCN risk group and what is its importance?
2. How to incorporate more accurate prognostic biomarkers?

While it may sound odd to some to...