Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is mildly enlarged , unchanged with coronary artery stents again noted . Mediastinal and hilar contours are unchanged . Pulmonary vasculature is not engorged . There is minimal patchy opacity within the right lung base , likely due to atelectasis . No focal consolidation , pleural effusion or pneumothorax is seen . Multiple clips are again noted within the left anterior chest and right upper quadrant of the abdomen .
    OUTPUT:
    
Minimal patchy right basilar opacity likely reflects atelectasis .