Amplifications on 11q13.3, 11q13.5 and 19q13.42 were associated with ER+ tumor status (P = 0.002, 0.06, 0.03 respectively, Fisher's exact test), corroborating previously reported association of 11q13.3 to HER2+/ER+ disease [19]. This evidence concerns the gene ESR1 and neoplasm.