What is Bladder cancer? , Treatment, Medical animation

http://youtu.be/I5T7QQzBkZM It's not always clear what causes bladder cancer. Bladder cancer has been linked to smoking, a parasitic infection, radiation and chemical exposure. Bladder cancer develops when cells in the bladder begin to grow abnormally. Rather than grow and divide in an orderly way, these cells develop mutations that cause them to grow out of control and not die. These abnormal cells form a tumor