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 borderline enlarged . Mediastinal and hilar contours are unremarkable . Crowding of the bronchovascular structures is present . There is minimal patchy atelectasis at the lung bases without focal consolidation . No pleural effusion or pneumothorax is present . No acute osseous abnormalities identified .
    OUTPUT:
    
Low lung volumes without acute cardiopulmonary abnormality .