NCIt synonyms : Luminal A Subtype of Breast Carcinoma; Luminal A Estrogen Receptor Positive Subtype of Breast Carcinoma; Luminal A; Luminal A Breast Cancer; Luminal A Estrogen Receptor Positive Subtype of Invasive Breast Carcinoma;
NCIt definition : A biologic subset of breast carcinoma defined by high expression of genes characteristic
of luminal epithelial cells, including estrogen receptor (ER), estrogen regulated
protein LIV-1, and the transcription factors hepatocyte nuclear factor 3, HNF3A, XBP1,
and GATA 3. This subtype of breast cancer is associated with a good prognosis.;