The cause of prostate cancer is unknown, but researchers do not think the cancer is related to benign prostatic hypertrophy (BPH), also known as an enlarged prostate. Physicians know that prostate cancer begins when some cells in your prostate become abnormal. The accumulating abnormal cells form a tumor that can grow to invade nearby tissue. Genetics plays a role in the risk of developing a prostate cancer. Environment, diet, and other unknown factors, however, can modify such genetic predispositions.
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