Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size remains mild to moderately enlarged . The aorta is diffusely calcified and tortuous , as seen previously . Mediastinal and hilar contours are otherwise grossly unchanged . Apart from streaky atelectasis in the lung bases , no focal consolidation , pleural effusion or pneumothorax is identified . No acute osseous abnormalities detected .
    OUTPUT:
    
No acute cardiopulmonary abnormality .