title: Chest mass in a teen-age girl.
mesh_terms: D000293:Adolescent; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008168:Lung / Q000000981:diagnostic imaging; D008175:Lung Neoplasms / Q000000981:diagnostic imaging / Q000473:pathology; D008479:Mediastinal Neoplasms / Q000175:diagnosis; D010997:Pleural Neoplasms / Q000175:diagnosis; D013902:Radiography, Thoracic; D013899:Thoracic Neoplasms / Q000000981:diagnostic imaging* / Q000473:pathology; D014057:Tomography, X-Ray Computed