title: Gastritis.
mesh_terms: D000368:Aged; D004724:Endoscopy; D005753:Gastric Mucosa / Q000000981:diagnostic imaging; D005756:Gastritis / Q000175:diagnosis / Q000000981:diagnostic imaging*; D006801:Humans; D011706:Pyloric Antrum / Q000000981:diagnostic imaging; D011859:Radiography