Surgeons at Massachusetts General Hospital have successfully performed the fourth pig kidney transplant in the United States.

Alabama woman becomes longest living recipient of a pig organ transplant, defying expectations and paving the way for future xenotransplantation.

An Alabama woman who is the only living recipient of a pig organ transplant became the longest living person with a functioning pig organ on Saturday.

Pig organ transplants so far have been "compassionate ... How Looney fares is "very precious experience," said Dr. Tatsuo Kawai of Massachusetts General Hospital, who led the world's first pig ...

Pig organ transplants so far have been "compassionate ... How Looney fares is a "very precious experience," said Dr. Tatsuo Kawai of Massachusetts General Hospital, who led the world's first ...