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 configurational abnormality is present . Unremarkable appearance of thoracic aorta for age . No local contour abnormalities are present . 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 . 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 cardiovascular or pulmonary abnormalities in this nonsmoker , atypical chest pain .