Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest views were obtained with patient in upright position . Comparison is made with the next preceding similar study of ___ . The heart size is unchanged and the configuration is unremarkable . Normal appearance of thoracic aorta and mediastinal structures . The pulmonary vasculature is not congested . No signs of acute or chronic parenchymal infiltrates are present and the pleural spaces are free . No evidence of pneumothorax in the apical area on the frontal view . Skeletal structures grossly unremarkable .
    OUTPUT:
    
Persistent normal chest findings in this young female patient with history of cough .