Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest views were obtained with patient in upright position . Analysis is performed in direct comparison with the next preceding similar study of ___ . The heart size remains normal . No configurational abnormality is present . Unremarkable appearance of thoracic aorta . No wall calcifications . Mediastinal structures are unremarkable . The pulmonary vasculature is not congested . No signs of acute or chronic parenchymal infiltrates are present and the lateral and posterior pleural sinuses are free . No pneumothorax in the apical area as seen on the frontal view . Skeletal structures of the thorax grossly unremarkable .
    OUTPUT:
    
Persistent normal chest findings . No evidence of CHF or acute pulmonary infiltrates in this ___-year - old male patient with fever , cough and nasal congestion .