They found that the MUC1 rs4072037 polymorphism was associated with a decreased risk of intestinal-type gastric cancer (OR = 0.4, 95% CI = 0.2–0.9); however, no associations were found with both the PLCE1 rs2274223 and C20orf54 rs13042395. The gene discussed is MUC1; the disease is gastric cancer.