| 1 |
Grade Group 1: Gleason score less than or equal to 6 |
| 2 |
Grade Group 2: Gleason score 7
Gleason pattern 3+4 |
| 3 |
Grade Group 3: Gleason score 7
Gleason pattern 4+3 |
| 4 |
Grade Group 4: Gleason score 8 |
| 5 |
Grade Group 5: Gleason score 9 or 10 |
| A |
Well differentiated |
| B |
Moderately differentiated |
| C |
Poorly differentiated |
| D |
Undifferentiated, anaplastic |
| E |
Stated as "Gleason score 7" with no patterns documented or
Any Gleason patterns combination equal to 7 not specified in 2 or 3 |
| 9 |
Grade cannot be assessed; Unknown |
