IL-10 rs1800893 was associated with an increased risk of overall NHL (per-minor-allele odds ratio [ORper-minor-allele]=2.64, 95% confidence interval [CI] 1.75-3.98), B-cell lymphomas (ORper-minor-allele=2.75, 95% CI 1.79-4.23), and DLBCL (ORper-minor-allele=3.03, 95% 1.85-5.01). This evidence concerns the gene IL10 and non-Hodgkin lymphoma.