Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is mildly enlarged but unchanged . The aorta is unfolded . Mediastinal and hilar contours are unremarkable . The pulmonary vasculature is normal . No focal consolidation , pleural effusion or pneumothorax is seen . Minimal linear opacity in the right lung base may reflect an area of scarring . Several clips are re - demonstrated in the right upper quadrant of the abdomen . A bullet fragment projects over the midline upper abdomen .
    OUTPUT:
    
No acute cardiopulmonary abnormality .