Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild enlargement of the cardiac silhouette is present . The aorta is tortuous . The mediastinal and hilar contours are otherwise unremarkable . Pulmonary vasculature is not engorged . Lungs are clear . No focal consolidation , pleural effusion or pneumothorax is present . There are no acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary abnormality .