Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are relatively hyperinflated with flattening of the diaphragms , suggesting chronic obstructive pulmonary disease . There is mild bibasilar atelectasis . No focal consolidation is seen . There is no pleural effusion or pneumothorax . The cardiac and mediastinal silhouettes are stable and unremarkable . Aortic calcification is again seen . Stable mild compression deformities in the mid thoracic spine are noted . No displaced fracture is seen . However if clinical clinical concern for rib fracture is high , dedicated rib series or chest CT are more sensitive .
    OUTPUT:
    
No acute cardiopulmonary process .