Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . The aorta remains tortuous and diffusely calcified . Mediastinal and hilar contours are otherwise unchanged . The pulmonary vasculature is not engorged . No focal consolidation , pleural effusion or pneumothorax is seen . Clips from prior cholecystectomy are noted in the right upper quadrant of the abdomen . Asymmetry of the breast shadows is compatible with prior left breast surgery .
    OUTPUT:
    
No acute cardiopulmonary abnormality .