Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . Heart size is mildly enlarged . The aorta remains tortuous . Mediastinal and hilar contours are otherwise stable . Pulmonary vasculature is not engorged . Elevation of the right hemidiaphragm is unchanged . No focal consolidation , pleural effusion or pneumothorax is present . No acute osseous abnormality is visualized .
    OUTPUT:
    
No acute cardiopulmonary abnormality .