Article Photos: Mammograms: For 1 life saved, 3 women overtreated 1/2

  Dr. Harpal Kumar, Chief Executive of Cancer Research UK, left, speaks at a news conference about breast cancer screening in London, Monday, Oct. 29, 2012. Breast cancer screening for women over 50 saves lives, an expert panel was commissioned by Cancer Research U.K. has concluded, confirming findings in U.S. and other studies. (AP Photo/Kirsty Wigglesworth)