A report says a hospital is facing a shortage of beds and staffing issues in several departments.
Wales' health minister said his waiting lists plan is about permanent reduction not short-term fixes.
NHS emergency departments are seeing more cases of self-harm, eating disorders and emotional distress in young people.
Darren Hughes, director of the Welsh NHS Confederation, said staff were "under considerable strain".
The 71-year-old from County Londonderry has been waiting for a new right knee for more than six years.
BBC Verify looks at key measures to see what progress is being made and whether Scotland can be compared with other nations.
Set up on an industrial estate in Telford, the centre has carried out almost 300,000 tests in just over two years.
Janet Ramage, 77, says her experience at the Pilgrim Hospital, in Boston, felt like "abuse".
The West Midlands has the worst hospital handover delays in the country, the ambulance service says.