Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size remains mild to moderately enlarged . The aorta remains mildly tortuous . Mediastinal and hilar contours are otherwise unchanged . Lungs are hyperinflated but clear without focal consolidation . No pleural effusion or pneumothorax is present . No acute osseous abnormality is visualized .
    OUTPUT:
    
No acute cardiopulmonary abnormality .