A peculiar sign in the fingertips might indicate one of Britain's deadliest cancers.

This subtle warning could point to lung cancer, which stands as the leading cause of cancer deaths nationwide.

According to Cancer Research UK statistics, the disease is responsible for approximately 34,800 fatalities each year.

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This figure represents 21 per cent of all cancer deaths.

What makes lung cancer particularly dangerous is its tendency to remain symptomless in the early stages, reports the Mirror .

As a result, many cases aren't detected until the disease has progressed considerably.

The NHS explains: "Lung cancer does not usually cause noticeable symptoms until it's spread through the lungs or i

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