
A new blood test can predict if breast cancer will come back years before it shows up on scans.
The “ultra-sensitive” test can pick up traces of a tumour’s DNA ahead of a full relapse, when it is much harder to treat.

A new blood test can predict if breast cancer will come back years before it shows up on scans.
The “ultra-sensitive” test can pick up traces of a tumour’s DNA ahead of a full relapse, when it is much harder to treat.