Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette size is normal . The mediastinal and hilar contours are relatively unchanged , with minimal rightward shift of mediastinal structures due to stable volume loss in the right hemithorax . Multiple chain sutures are demonstrated within the medial aspect of the right upper lobe , compatible with prior wedge resection . Known right - sided peripheral pleural - based nodular opacities are better seen on the recent CT torso . Mild emphysematous changes are noted within the lung apices . Scarring and / or atelectasis within the right lung base is unchanged . Subtle patchy opacity within the left upper lobe also likely represents chronic scarring or atelectasis . No new areas of focal consolidation , pleural effusion or pneumothorax are demonstrated . The pulmonary vascularity is normal . Clips are noted in the right upper quadrant of the abdomen .
    OUTPUT:
    
Postoperative changes in the right hemithorax without evidence of pneumonia or congestive heart failure .