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 borderline enlarged . The mediastinal and hilar contours are normal . Lungs are clear without focal consolidation . No pleural effusion or pneumothorax is seen . There is no pulmonary vascular congestion . No acute osseous abnormalities are visualized .
    OUTPUT:
    
No acute cardiopulmonary abnormality .