Prostate cancer staging is based on how far the cancer has spread as well as the Gleason score and PSA levels. Learn more about prostate cancer stages here.

Aug 8, 2025 · Learn what grading and staging mean for prostate cancer diagnosis. A urologist breaks down Gleason scores, the TNM model and more.

Gleason scores range from 6 (low-grade cancer) to 10 (high-grade cancer). Low-grade prostate cancer grows more slowly than high-grade cancer and is less likely to spread (metastasize).

Oct 2, 2024 · Learn about how doctors use the Gleason score and Grade Group to help grade prostate cancer.

The pathologist grades each sample of prostate cancer cells based on how quickly they are likely to grow or how aggressive the cells look. There are 5 Grade Groups.

To address the above deficiencies, a new 5 Grade Group system has been developed based on a study of >20,000 prostate cancer cases treated with radical prostatectomy and >5,000 cases …

This scale gives cancer cells a score from 3 to 5. The grades of the two most common patterns of cells found inside the tumor are added together to give a total score.

Knowing the stage, grade and risk group of the cancer helps your doctors plan the best treatment. Gleason is the most commonly used grading system for prostate cancer. Early prostate cancer …

Understand staging and prognosis for prostate cancer to better navigate treatment options and outcomes. Learn the TNM system.

A Gleason score and TNM staging tests determine the four stages of prostate cancer. Learn your prostate cancer stage and grade from Penn Medicine.