Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is top normal . The aortic knob is calcified . Mediastinal and hilar contours are unremarkable . Pulmonary vasculature is not engorged . There is minimal atelectasis in the lung bases . No focal consolidation , pleural effusion or pneumothorax is present . No acute osseous abnormalities demonstrated . Cholecystectomy clips are noted in the right upper quadrant of the abdomen .
    OUTPUT:
    
No acute cardiopulmonary abnormality .