Articles
Gleason score grading for prostate cancer
Content
What is the Gleason score?
Where does the Gleason score come from?
What are the grades of prostate cancer?
How is the Gleason score calculated?
What are the grade groups?
What does each grade group mean?
Why do two grade groups have the same Gleason score?
What's the difference between grading and staging?
How is prostate cancer treated by grade group?
Grade group 1
Grade group 2
Grade group 3
Grade group 4
Grade group 5
What are the prognosis and survival rates for prostate cancer?
What is the Gleason score?
Where does the Gleason score come from?
What are the grades of prostate cancer?
How is the Gleason score calculated?
What are the grade groups?
What does each grade group mean?
Why do two grade groups have the same Gleason score?
What's the difference between grading and staging?
How is prostate cancer treated by grade group?
Grade group 1
Grade group 2
Grade group 3
Grade group 4
Grade group 5
What are the prognosis and survival rates for prostate cancer?
Content
By Mayo Clinic Staff
If you find out that you have prostate cancer you may wonder how likely it is that the cancer could spread. To help answer this question, your healthcare team uses the Gleason score and grade group from your biopsy report.
The Gleason score and grade group are numbers that tell your healthcare team whether your prostate cancer is growing slowly or quickly. The numbers also help your healthcare team choose your treatment options.
Here's some information to help explain where these numbers come from and what they might mean for your prognosis and your treatment options.