One key piece of the puzzle is the cancer’s grade, which indicates the tumor’s potential to grow. After a prostate biopsy, a doctor specializing in examining tissues – a pathologist – grades the tumor by comparing the appearance of its cancer cells with that of normal prostate cells.

I’m surprised that the public wasn’t notified a long time ago because to get to Stage 9, that’s a long time,” Trump said Monday. He conflated the Gleason score, which assesses the pattern and nature of the cancer cells,