In biology classes from high school through university, I learned that mitochondria are little objects that reside within ...

And what does it mean for a cancer to be hormone ... Grade 1 means the cancer cells present look a lot like normal, healthy cells. Grade 5 means the cancer cells look very abnormal.

but does not predict the outcome. It's way of describing prostate cancer based on how abnormal the cancer cells in a biopsy sample look under a microscope and how quickly they are likely to grow ...

Prostate cancers are given a score called a Gleason score that measures, on a scale of 1 to 10, how the cancerous cells look compared with ... changes in urinating, like having to urinate ...

But what exactly does that ... a grade of 1 looks most like normal prostate tissue, but grade 5 looks "very abnormal." If a doctor sees two different patterns of cancer cells in the prostate ...

A Gleason score is a system physicians use to grade prostate cancer based on how abnormal the cancer cells look under a microscope ... account other factors - like the patient's overall health.