Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . Mediastinal and hilar contours are unchanged . Pulmonary vasculature is not engorged . Minimal atelectasis is noted in the lung bases without focal consolidation . No pleural effusion or pneumothorax is visualized . No acute osseous abnormality is demonstrated
    OUTPUT:
    
No acute cardiopulmonary abnormality .