Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . Heart size is accentuated as a result and appears mildly enlarged . Mediastinal and hilar contours are normal . Minimal atelectasis is seen in the lung bases without focal consolidation . No pleural effusion or pneumothorax is identified . Pulmonary vasculature is normal . No acute osseous abnormality is demonstrated . Remote left - sided rib fractures are again noted .
    OUTPUT:
    
No acute cardiopulmonary abnormality .