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 abnormalities identified . Thoracic aorta and 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 on frontal view in apical area . Skeletal structures of the thorax grossly unremarkable . When comparison is made with the next previous chest examination of ___ , the findings are unchanged and are normal .
    OUTPUT:
    
No evidence of cardiovascular or pulmonary abnormalities on chest examination of patient with history of dry cough .