Blood tests could one day be used to determine the likelihood of cancer spreading and growing in a patient's body, allowing for adapted and tailored treatment.
The potential breakthrough comes after seven papers have been published as part of Cancer Research UK's nine-year-long TRACERx study, which has involved over 800 patients.
Focusing on lung cancer, the third most common type of cancer in the UK, researchers identified patterns of DNA changes in patients' tumours.