Lung cancer – the leading cause of cancer death in the US – can lie hidden within the body for over 20 years before suddenly becoming a rapidly growing and aggressive disease, researchers have discovered.

A recent study, carried out by Cancer Research UK scientists and published in Science, reveals that after the initial genetic fault that causes cancer in the patient, the disease can remain dormant and undetected for a long period of time only to become aggressively active when triggered by additional new genetic mistakes.

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