For a look at what life is like for Iraqis outside the capital, NPR's Melissa Block talks to Zaid Al-Ali, a former legal adviser in Iraq for the United Nations. A Look At Life In Iraq, Beyond Baghdad Listen Â· 5:29 5:29
Side effects of radiation therapy. Radiation therapy damages cancer cells. Healthy cells in the treatment area can also be damaged, even though steps are taken to protect normal tissue as much as possible. Side effects are caused by damage to healthy cells. Different cells and tissues in the body tolerate radiation differently.
It's not clear what causes breast cancer. Doctors know that breast cancer occurs when some breast cells begin growing abnormally. These cells divide more rapidly than healthy cells do and continue to accumulate, forming a lump or mass. The cells may spread (metastasize) through your breast to your lymph nodes or to other parts of your body.