Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest views were obtained with patient in upright position . The heart size is within normal limits . No typical configurational abnormality . Unremarkable 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 lateral and posterior pleural sinuses are free . No evidence of pneumothorax in the apical area on the frontal view . Skeletal structures of the thorax grossly within normal limits . There exists no prior chest examination or records available for comparison .
    OUTPUT:
    
Chest findings within normal limits . No evidence of acute pulmonary infiltrates in patient with persistent cough .