Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is normal . Mediastinal and hilar contours are unremarkable . The pulmonary vasculature is not engorged . Linear scarring is again noted within the left mid lung field . Lungs are hyperinflated without focal consolidation . No pleural effusion or pneumothorax is identified . There are no acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary abnormality .