Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal silhouette and hilar contours are stable . There has been continued interval improvement in left greater than right bibasilar atelectasis now with clear visualization of the left heart border and left hemidiaphragm . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Continued interval improvement in left greater than right bibasilar atelectasis .