Graham Easton gets up close and personal with surgeon Nadey Hakim as he begins a kidney transplant operation with a difference.
William is donating one of his kidneys to his wife, Anna, so both of them will be in theatre at the same time.
Doctors hope a new technique will prevent Anna's body from rejecting her husband's kidney.
But will it work?
Graham Easton meets surgeon Nadey Hakim as he begins a kidney transplant operation with a difference.
The donor is William and the recipient is William's wife, Anna.
Both of them will be on the operating table together in a procedure that has only been carried out a few times before.
First of two programmes in which Graham Easton scrubs up and joins a surgical team as they begin a major life-saving operation, finding out what goes through the surgeon's mind.
Graham Easton meets the liver team at King's Hospital in London as they attempt a split liver transplant.