When breast cancer patients can avoid treatment

A molecular test can now pinpoint which patients will have a very low risk of death from breast cancer even two decades after diagnosis and tumour removal, according to a new study.

As a result, ultralow-risk patients could be treated less aggressively and overtreatment avoided, say the authors from the University of California.

Approximately 20-25% of tumours are now thought to be ultralow-risk or indolent.

In this study,