Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Severe enlargement of the cardiac silhouette is demonstrated . The aorta is tortuous and potentially dilated . Mediastinal and hilar contours are otherwise unremarkable . Pulmonary vasculature is not engorged . Minimal streaky opacities in the lung bases likely reflect areas of atelectasis . No focal consolidation , pleural effusion or pneumothorax is visualized . Multiple clips are seen projecting over the right axillary region . There are no acute osseous abnormalities .
    OUTPUT:
    
Severe cardiomegaly . Bibasilar streaky atelectasis without focal consolidation .