ESR1 and breast cancer: Survival time for breast cancer patients did not have a significant association with ER status (p = 0.16), age at diagnosis (p = 0.47), BRCA1 vs. BRCA2 germline mutation (p = 0.4), tumor stage at diagnosis (p > 0.74), or patient recurrence status (p = 0.58) (Supplementary Data 15).