A blood test for men with prostate cancer could detect if the illness is likely to be life-threatening, claim scientists.
At present it is extremely difficult for doctors to know whether a patient’s tumour is slow-growing - and harmless - or if it is deadly.
This means that thousands of men have to endure agonising surgery, chemotherapy or radiotherapy to remove tumours that may never have caused a problem.
Researchers believe they've found a blood test that can determine the likelihood of prostate cancer returning. Now American scientists think they have come up with a method of predicting how quickly the tumour will spread.
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