MAN RECEIVES GENETICALLY MODIFIED PIG'S HEART- medical breakthrough

Organ donation and transplantation is removing an organ from one person (the donor) and surgically placing it in another (the recipient) whose organ has failed. Organs that can be donated include the liver, kidney, pancreas and heart.
Transplantation is necessary because the recipient’s organ has failed or has been damaged by disease or injury.
A man received a pig's heart but after few weeks dies.