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

Atopic dermatitis affects people of all skin tones, but it doesn't always look like the red ... inflammation damages the melanin-producing cells, causing lighter patches. Most pigment changes ...

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.