Expression of ESR1, PGR, and ERBB2 by pathology determined subtype for HR + (white), HER2+ (grey), and TN (black) subtypes in the Quebec cohort on the G) human and I) BC DASL panels, as well as the K) Georgia cohort on the BC DASL panel correspond with expected clinical pathological subtype. This evidence concerns the gene ESR1 and breast cancer.