Kidney and pancreas for my son

Hi, my son has had juvenile diabetes, and is now 38.  He was admitted into the hospital On August 3rd 2017. Where it was discovered he now has kidney failure, and heart problems requiring both medication and dialysis three times a week. He is still in the hospital while they get his heart medication under control. He is going to need a kidney and a pancreas transplant. The average cost of the surgery is 250000, and 400 a month for anti rejection meds, after insurance. The funds would cover his cost for the surgery, if there are no complications.