Scientists at Cardiff University have developed an experimental compound that can reduce the spread of breast cancer by more than eighty percent.
Up to 12,000 women a year develop these additional tumours.
This new approach of tackling the disease through drugs is in the pre clinical phase. Researchers are now working to prepare the drug for patient trials in the next 18 months.
More top news
Two people have died after being involved in separate lightning strikes in Wales' Brecon Beacons today.
Any lingering showers will ease this evening, to leave a dry night with plenty of clear spells. Minimum temperature 11 deg C (52 deg F).
Blackwood mother Trudy Jones was on holiday when she was gunned down in the Tunisian beach massacre that claimed the lives of 30 Britons.