Joe Biden's prostate cancer diagnosis reveals a high Gleason score, indicating aggressive cancer. Dr. Arpeet Shah and Dr.

Biden's cancer is characterized as having a Gleason score of 9. Here's what to know about the system for describing prostate cancer and what it means.

ABC News has broken down what former President Biden's prostate cancer diagnosis means and what possible treatments can be ...

The Gleason score is a grading system for prostate cancer that rates tumors on a scale of six to 10. It is one of several ...

Biden, 82, was diagnosed on Friday after doctors discovered a nodule on his prostate, his office said in a statement released ...

Former President Joe Biden's office announced over the weekend that his Gleason Score -- a grading system for prostate cancer ...

The Gleason score is a grading system used to assess the aggressiveness of prostate cancer based on the appearance of cancer ...

The Gleason score is determined by looking at biopsied tissue under a microscope and indicates the severity of the case.

Prostate cancer is a disease that develops in the prostate gland, a small, walnut-shaped organ located below the bladder and ...