Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is normal . Mediastinal and hilar contours are unremarkable . Pulmonary vasculature is normal . Minimal scarring is again noted in the right middle lobe . Lungs are otherwise clear . No focal consolidation , pleural effusion or pneumothorax is demonstrated . An inferior vena cava filter is seen within the upper abdomen . No acute osseous abnormalities are detected .
    OUTPUT:
    
No acute cardiopulmonary abnormality .