The findings may explain why personalised cancer treatments based on biomarkers from tumour biopsies are not always successful.

BBC: DNA analysis shows huge genetic diversity in tumours

Her project aims to establish a simple, robust and reproducible platform for a genome-wide search for new cancer autoantigens and the evaluation of the corresponding circulating autoantibodies as biomarkers.

UNESCO: 2007 UK and Ireland Winners

They will be looking back at the molecular characterisation of the tumours in a number of common cancers stored at the Wales Cancer Bank to discover "molecular fingerprints", known as biomarkers.

BBC: South East Wales