Prostate cancer stages are based on how worse prostate cancer occurred on your body. Generally, it can be known only by some tests that are conducted by doctor. It is really important to know how far is prostate cancer already goes inside your body. Prostate cancer is considered as a type of cancer that is occurred on prostate gland. It is happened because of prostate gland which is going larger and disrupt urinary stream inside your body. It is really important to know the stage of prostate cancer since; it affects you in choosing the best treatment to treat the cancer. Here are some stages of prostate cancer.