Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low with mild bibasilar atelectasis . There is no focal consolidation . Stable , chronic elevation of the right hemidiaphragm . There is no pleural effusion . The cardiomediastinal silhouette is within normal limits . No pneumothorax .
    OUTPUT:
    
No acute cardiopulmonary abnormality .