E The Cancer Genome Atlas Breast Invasive Carcinoma (TCGA-BRCA) RNA-seq dataset; Kaplan-Meier curves of overall survival (OS) in ER+ breast cancer, demonstrating that high expression of ESRP1 (red line) is associated with poor prognosis in ER+. A log rank test was used to calculate P=0.00011 (n= 656, number of events= 62). 