(a)
(b)
(c)
(d)
Figure 1: (a) Normal stomach mucosal epithelium and glands, paraffin embedded, H&E stained, ×200. (b) Chronic inflammation of stomach mucosal epithelium with mucosal follicle, paraffin embedded, H&E stained, ×200. (c) Acute and chronic inflammation of stomach mucosal epithelium with neutrophil infiltration of gland, paraffin embedded, H&E stained, ×400. (d) Stomach mucosal epithelium with H. pylori-like organisms on the surface, paraffin embedded, H&E stained, ×600.