Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are stable . There is no large pleural effusion or pneumothorax . The lungs are adequately expanded . The right basilar opacity is improved , but left basilar plate - like opacity is slightly worse compared to prior . ET tube is appropriately positioned . A left subclavian line is present with tip in the upper SVC , unchanged from prior .
    OUTPUT:
    
1 . Bibasilar atelectasis , improved on the right and slightly worsened on the left . 2 . Standard position of support devices .