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 is identified . Thoracic aorta is unremarkable . No mediastinal abnormalities are seen . 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 are grossly within normal limits . There exist no prior chest examinations in our records available for comparison .
    OUTPUT:
    
Chest findings within normal limits . Films where alleged abnormalities were identified were not made available for comparison .