The Melnick sisters, who in a suit against Eli Lilly and Co. alleged that a synthetic estrogen known as DES caused them all to get breast cancer, pose at their hotel in Boston on Monday, Jan. 7, 2013. From left are Francine Melnick, Andrea Andrews, Donna McNeely and Michele Fecho. (AP Photo/Charles Krupa)

Photo by: Charles Krupa

The Melnick sisters, who in a suit against Eli Lilly and Co. alleged that a synthetic estrogen known as DES caused them all to get breast cancer, pose at their hotel in Boston on Monday, Jan. 7, 2013. From left are Francine Melnick, Andrea Andrews, Donna McNeely and Michele Fecho. (AP Photo/Charles Krupa)