A genetically engineered pig kidney helped Towana Looney enjoy 130 days without the need for dialysis before the organ was removed last week. It’s the longest a human has ever lived with a pig organ,

When Towana Looney completed her surgery in November, it was considered a groundbreaking medical feat for alternative organ transplants.

An Alabama woman who received a pig kidney transplant had the organ removed after her body began rejecting it.