For patients with estrogen receptor (ER)-positive breast cancer, development of the so-called Y537S mutation signals that their disease has taken an aggressive course and may become resistant to endocrine therapy.
DALLAS – Nov. 15, 2022 – For patients with estrogen receptor (ER)-positive breast cancer, development of the so-called Y537S mutation signals that their disease has taken an aggressive course and may become resistant to endocrine therapy.