Key points from article :
Cancer Research UK says at least 20,000 cancer deaths are avoidable in the UK.
More research funding is needed to close a £1bn gap.
Disease prevention, earlier diagnosis, and better treatment are key.
Lung and bowel cancer are targeted for a renewed attack.
"By understanding how cancers evolve, we can identify new targets and develop therapies to stop cancer," - Charles Swanton from Francis Crick Institute.
"Avoiding thousands of cancer deaths is possible, but it will take leadership, political will, investment and reform," - Michelle Mitchell, chief executive of Cancer Research UK.
