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 Michele Fecho, Francine Melnick, Donna McNeely and Andrea Andrews. (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 Michele Fecho, Francine Melnick, Donna McNeely and Andrea Andrews. (AP Photo/Charles Krupa)