Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are hyperinflated and diaphragms are flattened , consistent with COPD . The heart is moderately enlarged . Coronary artery calcification noted . Aortic calcification and mediastinal contours are similar to prior . Bibasilar streaky opacities are consistent with atelectasis . No focal consolidation , pleural effusion , or pneumothorax .
    OUTPUT:
    
COPD . Moderate cardiomegaly . Bibasilar atelectasis . No CHF or focal consolidation identified .