medical bills

I am a 50yr old woman who recently had open heart surgery, due to a rare tumor in the left atrium in the heart , the tumor was the size of a golf ball and had to be removed. and where I work I have no insurance coverage and I have benn turned down for any goverment help or help from heart association, red cross, salvation, larry king foundation, and many other places there just no help out there for us americans. . I need to pay for my medical bills and put food on the table for 2 children.
Your help to me is very much appreciated to my family and to me. thank you so very much for all the help!