Cancer is the result of the overproduction of cells, and it can happen almost anywhere in your body. In the case of prostate cancer, the constant growth of cells in the prostate gland is what causes the onset. The prostate gland is only found in men and its role is to create some of the fluid that is found in semen.
Prostate size changes over time, getting increasingly larger with age. It is directly beneath the bladder, and in front of the rectum.
Most of the fluid for semen is created by the seminal vesicles that are right behind the prostate. Urine and semen travel through the urethra which carries them out of the body via the penis. The urethra runs directly through the center of the prostate.
Adenocarcinomas are the most common type of prostate cancer. They are developed from the gland cells that create the prostate fluid that is found in semen.
Other types of prostate cancer include:
If you have prostate cancer, it is almost always an adenocarcinoma. The other types of prostate cancer mentioned above are very uncommon.
In some cases, prostate cancer can multiply and disperse very quickly, but most grow at a very gradual pace. Autopsy studies have shown several men who died from other causes also unknowingly had prostate cancer and never experienced any symptoms.