|Image caption James Eyre had been on the waiting list for more than four years before his operation|
James Eyre, 41, from Derbyshire, was on the waiting list for more than four years before his operation in October.
Mr Eyre, a dry stone waller, has since returned home from the Freeman Hospital, Newcastle, where he had been for three weeks.
The Cystic Fibrosis Trust said he had been "very lucky" as one in three with the condition die waiting for a donor.
It said the UK had one of the "highest rates of family refusal to organ donation in the Western world" and has urged people to join the donor register to help people like Mr Eyre.
The 41-year-old, who lives in Milltown, near Ashover, said he had always been physically fit, despite his genetic condition, describing his own muscle power as "phenomenal".
However, his lungs were slowly failing and he needed an oxygen tank to breathe when their function fell to a dangerous 30%. Continue reading