title: Isolated retained antrum diagnosis by gastrin challenge tests and radioscintillation scanning.
mesh_terms: D000328:Adult; D005743:Gastrectomy / Q000379:methods; D005755:Gastrins; D006801:Humans; D008297:Male; D011178:Postgastrectomy Syndromes / Q000175:diagnosis*; D011706:Pyloric Antrum / Q000601:surgery*; D011877:Radionuclide Imaging; D013670:Sodium Pertechnetate Tc 99m; D013667:Technetium
chemical_list: D005755:Gastrins; D013667:Technetium; D013670:Sodium Pertechnetate Tc 99m