title: Acute abdominal pain and an abnormal chest X-ray.
mesh_terms: D000006:Abdomen, Acute / Q000209:etiology*; D000293:Adolescent; D002690:Chlamydia Infections / Q000175:diagnosis / Q000188:drug therapy; D004917:Erythromycin / Q000627:therapeutic use; D005260:Female; D006801:Humans; D000292:Pelvic Inflammatory Disease / Q000175:diagnosis* / Q000188:drug therapy; D013902:Radiography, Thoracic
chemical_list: D004917:Erythromycin