ISUP Grade Groups Gleason Score
Grade Group 1 Gleason score 6
Grade Group 2 Gleason score 3+4= 7
Grade Group 3 Gleason score 4+3= 7
Grade Group 4 Gleason score 4+4= 8; 3+5= 8; 5+3= 8
Grade Group 5 Gleason score 4+5= 9; Gleason score 5+4= 9; Gleason score 5+5= 10