About 70% of breast cancer patients are estrogen-positive.
Doctors can’t predict which of them will respond to standard estrogen-blocking drugs.
Forty percent of them won’t, and their cancers grow, despite treatment.
In Healthy Living, Courtney Hunter explains how a researcher in California has found a diagnostic test that may tell doctors who will respond and who won’t.
Haricharan estimates that the diagnostic test will be available in the next five years.