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. Author manuscript; available in PMC: 2022 Sep 1.
Published in final edited form as: Urology. 2021 May 28;155:47–54. doi: 10.1016/j.urology.2021.05.028

Figure 1. Overview of the Gleason Grading and Grade Group System.

Figure 1.

Representative images for each Gleason Pattern, including the respective Gleason Scores and corresponding Grade Group number. The Gleason Pattern 4 spans Grade Groups 2–5. Cancer risk and gland differentiation are inversely related as Grade Group increases.