FASLG and cancer: Overall, significantly reduced cancer risk was associated with the FASL -844T allele when all studies were pooled (TC vs. CC: OR = 0.83, 95%CI = 0.75–0.92; Pheterogeneity<0.001, Figure 2; dominant model: OR = 0.85, 95%CI = 0.77–0.94; Pheterogeneity<0.001, Figure 3).