Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest views were obtained with patient upright position . Comparison is made with the next preceding similar study of ___ . The heart size is normal . No configurational abnormality is present . 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 in apical area . Skeletal structures of the thorax grossly within normal limits . As shown on previous examination surgical clips are seen in the right upper abdominal quadrant consistent with previous cholecystectomy .
    OUTPUT:
    
Stable normal chest findings .