Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The ET tube terminates approximately 1 .6 cm from the carina and can be retracted for better positioning . Patient is status post median sternotomy . There is extensive pneumomediastinum . In addition , there are left lower lobe opacities worrisome for atelectasis versus aspiration . There are likely bilateral small pleural effusions .
    OUTPUT:
    
1 . ET tube 1 .5 cm from the carina and can be retracted for better positioning . 2 . Extensive pneumomediastinum extending into the neck region .