title: Progressive antral narrowing in an adolescent.
mesh_terms: D000293:Adolescent; D000856:Anorexia Nervosa / Q000150:complications; D003251:Constriction, Pathologic; D003937:Diagnosis, Differential; D005260:Female; D005756:Gastritis / Q000139:chemically induced / Q000000981:diagnostic imaging*; D006801:Humans; D006851:Hydrochloric Acid / Q000506:poisoning; D011706:Pyloric Antrum / Q000000981:diagnostic imaging* / Q000187:drug effects / Q000473:pathology; D011859:Radiography; D013272:Stomach Diseases / Q000000981:diagnostic imaging; D013406:Suicide, Attempted
chemical_list: D006851:Hydrochloric Acid