SAPSscores for within ER+ breast cancer molecular subtypes, within ER−/HER2− and HER2+ breast cancer molecular subtypes, and within ovarian cancer molecular subtypes show high correlation (Spearman rho = 0.61, 0.68, and 0.51, respectively, all p<2.2×10−16). The gene discussed is ERBB2; the disease is breast cancer.