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 appears mildly enlarged . The mediastinal and hilar contours are unremarkable . Crowding of the bronchovascular structures is demonstrated without overt pulmonary edema . No focal consolidation , pleural effusion or pneumothorax is visualized . No acute osseous abnormalities detected .
    OUTPUT:
    
Low lung volumes without acute cardiopulmonary abnormality .