Diagnosis of stomal ulceration.
D005260:Female; D005745:Gastric Acidity Determination; D005773:Gastroscopy; D006801:Humans; D008297:Male; D010437:Peptic Ulcer / Q000175:diagnosis* / Q000453:epidemiology / Q000209:etiology; D011178:Postgastrectomy Syndromes / Q000175:diagnosis*