@chipe my layman's explanation is that it is a genomic test that compares the visual results of your biopsy to the results of other people's biopsies who have similar attributes to yours. There are a few of these genomic tests out there but I was told by two radiation oncologists that the difference with Decipher was that it uses a larger data sample size than the others and that gave it an advantage. For more information: https://decipherbio.com/.

Additionally, I wanted a way to get another opinion outside of my urologist who did the biopsy, so I asked him to provide the biopsy material to Decipher. The test result is easy to read and doctors DO USE the results to confirm or change their treatment decisions and in some cases that can mean the difference between ADT or no ADT or other modes of treatment.

Where I could, regardless of the doctor's experience, I wanted a second opinion for whatever tests and opinions were being given. Trust but verify as doctors are not infallible.