Six, Not a Bad Score by Prostate Oncology published on 2019-08-23T01:44:06Z Gleason 6 prostate cancer may sound like a dangerous type of prostate cancer. Luckily that is not the case, Gleason 6 prostate cancer does not spread. This means men with Gleason 6 can be safely monitored through active surveillance and avoid the side effects that come with treatment. Active surveillance is not synonymous with watchful waiting, and it no longer means periodic random biopsy. Learn the active surveillance protocol and discover a Gleason 6 lifestyle.