Joe Biden has been diagnosed with aggressive prostate cancer with a Gleason score of 9. Experts break down the grading system and potential treatment options.

"The Gleason score is a grading system used by urologists to assess a prostate cancer’s aggressiveness based on how cells from the tumor look under a microscope," Fox Chase Cancer Center explains.

The Gleason score is a grading system for prostate cancer, according to the Cleveland Clinic. It usually ranges from a 6, which is low-grade cancer, to a 10, which is considered a high-grade cancer.

Prostate cancer is one of the most common cancers in men, but when caught early, it's highly treatable. For Vernon Owens, a ...

Former U.S. President Joe Biden’s recent cancer diagnosis brought widespread attention to what is known as the “Gleason score,” a grading system used to assess the prognosis of men with prostate ...

The Gleason score is a grading system used by doctors to evaluate prostate cancer based on how the cancer cells look under a microscope. When a biopsy is done, small tissue samples are taken from ...

The Gleason grade scores each sample of prostate cancer cells from 3 to 5. Doctors work out an overall Gleason score by adding together the 2 most common grades. These might be written separately, for ...

Former President Joe Biden is battling an "aggressive" form of prostate cancer, his office announced on Sunday, adding his condition is characterized by a "Gleason score of 9.". His office also ...

But in the realm of prostate cancer, one major development, the Gleason grading system for tumors, has stood the test of time. The man who developed the grading scale in 1966, Dr. Donald Gleason, died ...

Gleason scores are a grading system for prostate cancer, according to the Cleveland Clinic. Pathologists grade each tissue sample on a 1 to 5 scale. The lower the grade, the more cancer cells look ...

The Gleason score, also known as the Gleason index, is a grading system that assesses how aggressive prostate cancer is by examining the appearance of cancer cells under a microscope.