Imagine this: You’re treating a patient with end-stage renal disease (ESRD) who has been on the kidney transplant list for almost a year. That’s not a surprising delay; more than 100,000 people are on the waiting list nationwide, and the median wait time is now over 3.5 years. So your patient probably has at least two more years to wait—years of dialysis in which he might become too sick to receive that transplant or die before it becomes available. (More than 4,700 people die