Anne Koller was diagnosed with late-stage colon cancer in 2011 and has been fighting it since.
But it's not just the cancer she's fighting. It's the bills.
"Think of those old horror flicks," she says. "The swamp creature ... comes out and is kind of oozy, and it oozes over everything."
When she was able to work, Koller, who just turned 65, was in the corporate world and safely middle-class, with health insurance and plenty of savings.
At first, she was too sick to deal with the bills. They piled up.