In the last three-quarters of the 20th century, over 40 histologic grading systems for prostatic carcinoma have been proposed (reviewed in Humphrey 4). These systems have typically utilized ...

Recently, a new prostate cancer (PC) grading system has been introduced, where Gleason score (GS) 7 (3+4) and GS 7 (4+3) are categorized into two separate groups. However, GS 7 with tertiary Gleason ...