title: Antral gastritis and ulceration in a patient with secondary syphilis.
mesh_terms: D000328:Adult; D005756:Gastritis / Q000175:diagnosis / Q000209:etiology*; D005773:Gastroscopy; D006801:Humans; D008297:Male; D011706:Pyloric Antrum; D013276:Stomach Ulcer / Q000175:diagnosis / Q000209:etiology*; D013587:Syphilis / Q000150:complications*