Pathology Male Genital Tract a305ed60 Gleason's grading system is for - A Carcinoma testis B Carcinoma colon C Carcinoma thyroid D Carcinoma prostate High-Yield Explanation Ans. is 'd' i.e,, Carcinoma prostateo The Gleason Grading system is used to help evaluate the prognosis of men with prostate cancer.