The RT‐qPCR assay showed that the mRNA expression level of 10 selected ARGs (BRCA1, BRCA2, DLL3, DBN1, GSK3B, GPX1, TRAP1, ERCC2, EGFR, and NFE2L2) in adjuvant tumor tissue and TNBC tissues. Here, DLL3 is linked to neoplasm.