Hormones factor into cancer's spread
(AP)


<p><a href="http://us.rd.yahoo.com/dailynews/rss/health/*http://news.yahoo.com/s/ap/20070322/ap_on_he_me/edwards_cancer"><img src="http://d.yimg.com/us.yimg.com/p/ap/20070322/capt.03b52a1b72094bd3a1b729476de0f3cb.edwards_2008_ncgb109.jpg?x=95&y=130&sig=OFVqgEbs.efF.NjolVlESQ--" align="left" height="130" width="95" alt="Elizabeth Edwards, wife of Democratic Presidential hopeful John Edwards, speaks about her recurrence of cancer during a news conference in Chapel Hill, N.C., Thursday, March 22, 2007. Edwards will continue his campaign for the presidency. (AP Photo/Gerry Broome)" border="0" /></a>AP - Once breast cancer returns to spread beyond the breast, it's no longer curable — but it can be held in check, sometimes for years, depending on how aggressive the tumor proves to be.</p><br clear="all"/>

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