New ways of measuring cancer waiting times in Wales
7 May 2014 Last updated at 19:48 BST
New ways of measuring how the NHS in Wales performs when it comes to caring for patients with cancer will be trialled across the country.
It follows concerns that the targets used at the moment do not properly reflect the clinical results for patients.
But opposition parties have raised questions about the Welsh government's plans.
Health correspondent Owain Clarke reports.