Research reveals patient can have more than one breast cancer, points at treatments

(Baylor College of Medicine) Breast cancer tumors are complex and dynamic. They comprise a population of continuously dividing cells that carry different genetic mutations. On a paper published today in Nature Communications, researchers from Baylor College of Medicine, Washington University School of Medicine, MD Anderson Cancer Center and the Mayo Clinic reveal that treating human estrogen-receptor positive breast cancer tumors with estrogen-deprivation therapy results in changes in the spectr...