Prostate cancer occurs when cells in the prostate grow uncontrollably. The prostate is a part of the male reproductive system. Understanding Penile CancerPenile cancer occurs when abnormal cells in the penis begin to grow and multiply uncontrollably. Daignosis Penile CancerIf you have symptoms that could indicate penile cancer, you'll typically start by visiting your doctor. Treatment options of Penile CancerOnce the biopsy and scan results are available and a diagnosis of localized prostate cancer is made,