and then when she got answer she noticed a lump towards the end of the 2004 campaign as her husband was still running for vice president. and because she didn't want up to set anyone she kept it quiet until the campaign ended. that won her a lot of affection. and so did her grace in fighting it. she first seemed to beat the cancer but as you'll recall, when it recurred in 2007, right as her husband was launching his presidential campaign, she was the one who insisted he stay in the race and her struggle with the disease and their bond together became a central part of his 2008 campaign. i attended more edwards' campaign events than i can remember and every single time he talked about her and her fight with this disease, anderson. >> i should point out, four children and wade passed away. catherine and emma claire and jack are 10 and 12 i'm told. sanjay, at this point, i mean, what sort of -- what does a patient do? >> well, you know, there's been a lot of studies on the exact ,