The replacement kidney lasted just six months before failing.
"So we were completely out of the option of another transplant," Aida Billingsley said. "He was on dialysis indefinitely."
Christian was surviving, but on a medical rollercoaster.
"We would do ok for a year or so," Aida Billingsley continued, "then we would have some complication, something big happened, and we'd be in the hospital for months at a time."