Therefore, the increase in MDA and the decrease in antioxidants (SOD and T‐AOC) reflect the degree of imbalance of oxidation and oxidation, which is closely associated with the development and progression of breast cancer (Gupta et al., 2012; Kilic, Yavuz Taslipinar, Guney, Tekin, & Onuk, 2014). Here, SOD1 is linked to breast cancer.