The test, called EarlyCDT-Lung, will include 10,000 high-risk smokers (defined as having smoked the equivalent of 20 cigarettes per day for over 20 years).
It detects signals produced by the immune system when lung cancer is present.
This can mean up to five years earlier than tumour detection.
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Austria was supposed to have elected a new president back in May. As it stands, a far-right leader could still be installed in the country.
South-east England will hold on to the cloud for longest, although the rain will gradually be easing through the afternoon.