Gastric cancer, a malignant disease, is the fourth most common cancer and second most common cause of cancer death. The pathogenesis of gastric cancer is a complex process, including Helicobacter pylori infection, genetic factors as well as many other factors. Among them, Single Nucleotide Polymorphism (SNP) is one of the most interesting topics nowadays. | Identification of the polymorphism rs4072037 of MUC1 gene in patients with gastric cancer