Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are slightly low . This accentuates the size of the cardiac silhouette which is mildly enlarged . Mediastinal and hilar contours are normal . Lungs are clear . No focal consolidation , pleural effusion or pneumothorax is seen . There are no acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary abnormality .