Blood samples analysis finds ESR1 gene mutations prevalent, associated with worse overall survival

Among patients with estrogen receptor (ER)-positive, metastatic breast cancer, those who had a D538G and/or a Y537S mutation in the estrogen receptor 1 (ESR1) gene, as detected in cell-free DNA obtained from patient blood samples, had significantly worse median overall survival, according to new data.

from Today's Healthcare News -- ScienceDaily http://ift.tt/1IO8zHM