Richard Slayman received the historic procedure in March. The hospital said it had “no indication” his death was related to the transplant.Richard Slayman received the historic procedure in March. The hospital said it had “no indication” his death was related to the transplant.Read MoreKidneys, Genetic Engineering, Genetics and Heredity, Deaths (Fatalities), Hospitals, Pigs, Transplants, Massachusetts General Hospital, eGenesis, your-feed-healthcareNYT > Health