One mutant allele in CXCL10 A-1447G polymorphism (AG) increased the chance of cancer (OR = 4.902, 95% CI = 2.70–8.87) and two mutant alleles (GG) increased more (OR = 7.174, 95% CI = 2.48–20.68). The gene discussed is CXCL10; the disease is cancer.