The GRADE of the cancer

The grade of the cancer tells you HOW FAST your tumor is likely to grow. The grade may be called the Gleason Sum or the Gleason Score.

• When you had a biopsy, doctors removed some cells from your prostate. Then, they used a microscope to see how fast the cancer cells seem to be growing.
• Based on what they found, they graded the tumor. Then they gave you a number called the Gleason Sum. It is a best guess of how fast your cancer might be growing. But it is not a perfect guess. The Gleason Sum ranges from 2 to 10.