SCEL and breast cancer: Similarly, high expression of SCEL was also associated with poor OS (P < 0.001, hazard ratio (HR): 1.54, confidence interval (CI):1.27–1.86) and shorter distant metastasis-free survival (DMFS) (P < 0.001, HR:1.48, CI:1.26–1.76) of BC in GSE datasets (Fig. 2C).