 [ Symptoms ] what is prostate cancer [ Disease ] prostate cancer is a group of cells that grows faster than normal in a man is prostate gland it can spread into other areas and kill normal tissue the prostate gland sits just below a man is bladder it makes part of the fluid for semen in young men the prostate is about the size of a walnut it usually grows larger as you grow older the cancer may be one of these types locally advanced prostate cancer this is cancer that has grown through the outer rim of the prostate and into nearby tissue metastatic prostate cancer this is cancer that has spread or metastasized to the lymph nodes or other parts of the body recurrent prostate cancer this is cancer that has come back after it was treated the cancer can come back in the prostate near the prostate or in another part of the body if it comes back in another part of the body often the bones it is still called prostate cancer because it started in the prostate webmd medical reference from healthwise this information is not intended to replace the advice of a doctor healthwise disclaims any liability for the decisions you make based on this information © 1995 2011 healthwise incorporated healthwise healthwise for every health decision and the healthwise logo are trademarks of healthwise incorporated