Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild enlargement of the cardiac silhouette is again noted . The aorta is unfolded . Pulmonary vasculature is normal . Minimal streaky opacities in the lung bases likely reflect areas of atelectasis . No pleural effusion or pneumothorax is present .
    OUTPUT:
    
No acute cardiopulmonary abnormality .