Cancer is when cells in the body grow out of control, often forming a mass or tumor. In upper urinary tract cancer, abnormal cells are found in the Renal pelvis (where urine collects in the kidneys before it travels to the ureters and bladder), Renal calyces (spaces deep in the kidneys), Ureters (thin tubes, made of muscle, which move urine from the kidney to the bladder). Bladder cancer begins most often in the cells that line the inside of the bladder. Prostate cancer is cancer that occurs in a man's prostate a small walnut-shaped gland that produces the seminal fluid that nourishes and transports sperm. Prostate cancer is one of the most common types of cancer in men. Gynecologic oncology is the branch of science which deals with the particular cancer types that begins in a woman's reproductive organs which also includes ovarian cancer. Gynecologic cancers are divided in to five types based on the location it occurs. Each cancer is unique by its signs, symptoms, and risk factors and in their strategies of prevention. All these types of cancers risk increases with increase in age. When cancers were diagnosed at their early stages, the treatment will be more efficient. The five major types of cancer are ovarian, uterine, cervical, vulvar, and vaginal cancer.