That is the limitation and fallacy of a biopsy...it can't tell your urologist anything beyond Gleason Score and perineurial invasion that nearly everyone has (my urologist wasn't concerned about it...he literally said "everyone has perineurial invasion.").
The only way you find out about all the rest of it is when they remove your prostate and do a gross- and micro-examination of all of the prostate and seminal vesicle tissue. That is when Extraprostatic Extension (EPE), seminal vesicle invasion, Cribriform glands, bladder neck involvement, surgical margins, etc., are discovered and change "everything."