S100A8 and neoplasm: Of the patients with H. pylori in surrounding tissue and in tumor, 57.1% (4/7) harbored the allele combination vacA s1m1/cagA+/babA2+, 14.3% (1/7) harbored the s2m2/cagA−/babA2− genotype and 14.3% (1/7) the s2m2/cagA−/babA2+ genotype.