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A single tumour can be made up of many separate cancers needing different treatments, say researchers.
A team at the Institute of Cancer Research, London, have developed a new technique for measuring the diversity within a cancer.
They showed "extraordinary" differences between cancerous cells and say new targeted drugs may fail as they may be unable to kill all the mutated tissue.
Experts said the findings would have "profound implications" for treatments.
A tumour starts as a single cell, which acquires mutations and eventually divides uncontrollably. But that is not the end of the process.
http://www.bbc.co.uk/news/health-24957089
A team at the Institute of Cancer Research, London, have developed a new technique for measuring the diversity within a cancer.
They showed "extraordinary" differences between cancerous cells and say new targeted drugs may fail as they may be unable to kill all the mutated tissue.
Experts said the findings would have "profound implications" for treatments.
A tumour starts as a single cell, which acquires mutations and eventually divides uncontrollably. But that is not the end of the process.
http://www.bbc.co.uk/news/health-24957089