Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild enlargement of the cardiac silhouette is unchanged . The aortic knob is calcified . The mediastinal and hilar contours are stable . The pulmonary vasculature is normal . No focal consolidation , pleural effusion or pneumothorax is present . There is diffuse demineralization of the osseous structures . Clips are noted in the right upper quadrant of the abdomen .
    OUTPUT:
    
No acute cardiopulmonary abnormality .