A cardiac unit in a Cardiff hospital has been rated among the best in the UK for surgery survival rates.
Figures from the Society for Cardiothoracic Surgery showed the unit at University Hospital of Wales (UHW) had a survival rate of 98.67%.
It was placed with Southampton and Papworth as the three best-performing.
The figures, from April 2011 to March 2014, suggest Morriston Hospital, Swansea, was ranked sixth out of 39 units.
Its cardiac centre started work on a