ER-positive is one of the<unk>  statuses identified in the classification of<unk>  cancer.<unk>  status was traditionally considered by reviewing each individual<unk>  (ER, PR, her2) in turn, but newer approaches look at these together, along with the<unk>  grade, to categorize<unk>  cancer into several conceptual molecular classes that have different prognoses and may have different responses to specific therapies. DNA microarrays have assisted this approach.
Hormone receptor positive breast tumor
Hormone-sensitive cancer
Hereditary lobular breast cancer
Endocrine therapy resistance in breast cancer
Triple-negative breast cancer
Benign proliferative breast disease
Pre-cancer of the breast
Metastatic breast cancer