Antral gastritis.
D000293:Adolescent; D000328:Adult; D005260:Female; D005471:Fluoroscopy; D005753:Gastric Mucosa / Q000000981:diagnostic imaging; D005756:Gastritis / Q000175:diagnosis / Q000000981:diagnostic imaging*; D005773:Gastroscopy; D006801:Humans; D008297:Male; D008875:Middle Aged; D011446:Prospective Studies; D011706:Pyloric Antrum / Q000000981:diagnostic imaging*; D013035:Spasm / Q000000981:diagnostic imaging