to many loan and doctors

I have so many doctors,trying to work,but my co-pays don't go to principle..I need some test done,but can't because that want over 2500.00 in deductiable..The tests are to see if my cancer is back..Been battling this for the last 9 years 2 times breast cancer survivor,mini stroke,tumor in head...I don't know what else to do.my husband and he,s trying his best to keep the house bills up..What can I do?