TNF and acute myeloid leukemia: The relationship between any two combined variant genotypes of the TGF‐β1, IFN‐γ, TNF‐α, IL‐6, and IL‐10 SNPs and AML risk was not evaluated because we only had a few cases with only one variant genotype and no cases with wild‐type homozygous genotype for all of the analyzed cytokine SNPs.