Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette size is mildly enlarged . The aorta is mildly tortuous . Mediastinal hilar contours are normal otherwise . Pulmonary vasculature is normal . Lungs are clear . No pleural effusion , focal consolidation or pneumothorax is present . There are no acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary abnormality .