The independent watchdog Healthcare Inspectorate Wales says it is "aware of the report" from the Royal College of Surgeons, and has "been in discussion with both Cardiff and Vale University Health Board and the Welsh Government, regarding the concerns raised."
It says it has been provided with a copy of the action plan for improving care, and "will be holding further discussions with the health board to assess progress."
More top news
A mild and cloudy start to the day, but persistent rain will soon arrive in the south and spread north-eastwards.
The human rights watchdog has unearthed "serious gaps" in the care of people released from police custody in England and Wales.
As many as 30,000 people living with cancer in Wales will be lonely this Christmas, a new estimate by Macmillan Cancer Support shows.