Half of cancer sufferers 'live a decade or more'
29 April 2014 Last updated at 07:38 BST
Half of people in England and Wales who are diagnosed with cancer will survive for at least a decade - double the rate in the early 1970s.
But Cancer Research UK, which carried out the study, said the progress showed there needed to be new, more ambitious aims.
Branwen Jeffreys reports.