Help people with pre-existing conditions (My mom has Cancer again and can't afford treatment) NOT die from their illness

My mother had breast cancer fourteen years ago and got a full mastectomy and hysterectomy. She went through chemotherapy and radiation treatment. It was horrible but she survived and received a clean bill of health. She was insured through her husband and only had to pay a little out of pocket (10,000 dollars is a little if you consider the cost). Her husband died three years ago and after his two week hospital stay costs her one hundred and thirteen thousand dollars she was left bankrupt and uninsured. She currently resides on my couch in the living room. her cancer has returned, but this time she can't afford the treatment and will die at 62 if nothing is done.
PLEASE HELP HER LIVE!!!!!