Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . This accentuates the size of the cardiac silhouette which is normal . Mediastinal and hilar contours are unremarkable . Apart from mild atelectasis in the lung bases , the lungs are clear . No focal consolidation , pleural effusion or pneumothorax is present . No acute osseous abnormality seen .
    OUTPUT:
    
No acute cardiopulmonary abnormality .