Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest views were obtained with patient upright position . The heart size is within normal limits . No configurational abnormality is seen . Thoracic aorta unremarkable . No mediastinal abnormalities are present . 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 frontal view . Skeletal structures of the thorax grossly within normal limits . There exists no prior chest examination in our records available for comparison .
    OUTPUT:
    
Unremarkable findings on chest examination .