| Location of process: | Antral predominant, corpus predominant, or pangastritis |
| Type of inflammation: | Acute, chronic, mixed, eosinophilic, lymphocytic, or granulomatous |
| Topography of inflammation: | Diffuse or focal Gastric site |
| Atrophy: | Present or absent, graded* |
| Intestinal metaplasia: | Present or absent, graded* |
| Infectious agent: | Helicobacter pylori, Helicobacter heilmannii, virus (eg, cytomegalovirus), other |
