Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild enlargement of the cardiac silhouette is re - demonstrated . The aorta remains markedly tortuous . The mediastinal and hilar contours are within normal limits . The pulmonary vasculature is normal . Streaky atelectasis is demonstrated in the right lung base . No focal consolidation , pleural effusion or pneumothorax is demonstrated . There are no acute osseous abnormalities . S shaped scoliosis of the thoracolumbar spine is unchanged .
    OUTPUT:
    
No acute cardiopulmonary abnormality .