Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is mildly enlarged . The aorta remains tortuous and the ascending aorta is dilated , unchanged . Hilar contours are normal and the pulmonary vasculature is unremarkable . No focal consolidation , pleural effusion or pneumothorax is demonstrated . Multiple clips and biliary stents are demonstrated within the right upper quadrant of the abdomen . Moderate degenerative changes are noted in the thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary abnormality .