First call the american cancer society at the number listed in the resources link up top. Ask for a patient navigator. this is someone who will look closely at your case, take a lot of information and start looking for help. You have to be prepared to provide information to a lot of different organizations.. There are places that will help with specific things. From as simple as gas, to lodging to the meds you need. It's a lot of leg work, lots of time on the computer but there are things available.
Get to clicking!
Hope you get some help!