Editor in Chief Marc B. Garnick, M.D., discusses issues and controversies about early-stage prostate cancer. Thanks to more widespread prostate-specific antigen (PSA) testing, today nine out of 10 men diagnosed with prostate cancer have tumors that are detected at the earliest stage, when they are still confined to the prostate gland and are so small they can be detected only through a biopsy.
https://www.health.harvard.edu/blog/early-stage-prostate-cancer-treat-or-wait-2009031010