title: Endoscopic evaluation of the gastric antrum.
mesh_terms: D000328:Adult; D000368:Aged; D004386:Duodenum; D004724:Endoscopy; D004945:Esophagoscopy; D005336:Fiber Optic Technology; D005773:Gastroscopy; D006801:Humans; D008297:Male; D008875:Middle Aged; D011706:Pyloric Antrum; D013272:Stomach Diseases / Q000175:diagnosis*