IL32 and breast cancer: To gain further insights into the relationship between these two SNPs of IL-32 and BC, patients with different genotypes were stratified by mean age (≤64 and >64 years old), sex (male and female), smoking status (smokers and nonsmokers), tumor grade (low-grade and high-grade), and tumor stage (Ta-T1 and T2-T4) (Supplementary Table 1).