Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The ET tube ends approximately 3 cm from the carina . The right - sided IJ ends in the mid SVC . The left perihilar opacification appears stable . There has been improvement of the left - sided pleural effusion . The left lower lobe atelectasis is stable . The right lung is clear . There is no pneumothorax . The heart size is stable .
    OUTPUT:
    
Stable left - sided perihilar opacification . Interval improvement of the left pleural effusion .