S100A8 and chronic gastritis: The EPIYA ABBCCC motif was only detected in one patient with chronic gastritis, while the ABBC motif was only detected in one patient with gastric cancer, Figure 1C. The EPIYA-ABC pattern was found in 130 (79.3%) of the 164 cagA-positive H. pylori patients with chronic gastritis and was more frequent in this group than in ulcer and cancer.