In the generated list, 11 markers (TERT, TTC34, TMEM132D, VGLL4, ABCA3, DPYS, IRF4, TMEM132C, SFRP2, SOX21, and MYO15B) potentially mark sensitivity to NACT of tumors of both BC subtypes under study. This evidence concerns the gene SFRP2 and breast cancer.