Edwards was first diagnosed with cancer in 2004 and is now battling an incurable form.
She is currently a senior fellow at the think tank Center for American Progress, where she focuses on health care even as she personally battles with cancer.
The Edwards' have been slowly and quietly returning to their advocacy since John admitted last summer to an affair with a woman hired to produce videos of him in 2006 during his presidential campaign.
The former North Carolina senator, dropped out of the race for his party's nomination and endorsed Obama.
