Treatment with chemotherapy, the side effects. The efficiency to destroy cancer cells often doesn't work as it should be. Subsequently, it is to solve these problems by providing drugs through the arteries.And the medicine through the road. To do this, the concentration of drug in the tumor cells increased, but there is a will flow through the bloodstream very quickly. For the pill was sent to the blood vessels in the normal cells will not result in stroke, but somehow, Since the drug very small and will flow through the bloodstream. Without being able to infiltrate in the walls of blood vessels.It does not harm the normal cells. And the side effects of the treatment are slim.