An independent firm of health economists in the US, where the test has been available for two years, say that it should be highly cost effective and reduce lung cancer mortality.
Survival rates in the UK have remained very poor for decades, with only 7% of sufferers surviving for five years.
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Temperatures will be on the rise in the next few days, with highs of 25C in the sunshine by Thursday, but do not expect clear blue skies.
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North Sea oil is Scotland's great natural inheritance - but it is frustratingly hard to gauge just how much is actually left.