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Consultant plastic surgeon Peter Butler said he was "delighted" to have been given permission for the pioneering surgery by the committee at the Royal Free Hospital in Hampstead, north London.
"We can now begin to evaluate patients and draw up a shortlist of four people who want to undergo this procedure," he said. "We will continue to take a cautious and careful approach and we will not be rushed. It may be many months before we are ready to carry out an operation."