help with costs from Jacks surgery

Hi our son Jack had osteosarcoma a type of bone cancer in April of last year. He has been in remissi on since January of this year but is  experiencing a lot of problems with his leg since then and now an amputation is his only hope to have a better life. We are seeking help with transportation parking and with any other costs with the prosthetic. Please feel free to follow his progress on his Facebook page jacksjourney2014. 
Thank you very much,
the Ibbetsons