Gastrointestinal: atrophic gastritis and antral intestinal metaplasia.
D005753:Gastric Mucosa / Q000473:pathology*; D005757:Gastritis, Atrophic / Q000473:pathology*; D005773:Gastroscopy; D016480:Helicobacter pylori / Q000472:pathogenicity; D006801:Humans; D008679:Metaplasia; D011230:Precancerous Conditions / Q000473:pathology; D011706:Pyloric Antrum / Q000473:pathology*