Prostate cancer, which is common in older men, begins from a gland in the male reproductive system. This gland is positioned below the bladder and in front of the rectum and is responsible to produce a fluid that protects and nourishes sperm cells in semen. It is this fluid that makes semen more liquid.
There are innumerable kinds of cells in the prostate, but prostate cancer begins and manifests on the gland cells. Prostate cancer is usually referred to as adenocarcinoma, though it is one of its types. Among rare prostate cancer types are sarcomas, small cell carcinomas and transitional cell carcinomas.
Facts about Prostate Cancer
Prostate Cancer Statistics (Courtesy - National Cancer Institute)
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