Median levels of ANG, ANGST, 8-iso-PGF2α, SNCG, and IL-13 were 13.3-fold, 9.8-fold, 1.2-fold, 1.3-fold, and 2.2-fold higher, respectively, in the MIBC subgroup of BC patients compared with the control group. This evidence concerns the gene IL13 and breast cancer.