Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is mildly enlarged . The mediastinal and hilar contours are unremarkable . The pulmonary vascularity is not engorged . No focal consolidation , pleural effusion or pneumothorax is seen . Minimal atelectatic changes are noted in the right lung base . Multilevel degenerative changes are re - demonstrated in the thoracic spine . Clips are noted within the left upper quadrant of the abdomen .
    OUTPUT:
    
Minimal right basilar atelectasis .