Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Interval retraction of the endotracheal tube which now projects 4 .5 cm from the carina . The tip of the right subclavian central line projects over the mid to distal SVC and the left internal jugular PA catheter tip extends to the right atrium . There has been no significant interval change in a small left pleural effusion with subjacent atelectasis . No new focal consolidation or pneumothorax . The cardiomediastinal silhouette is enlarged but unchanged . Again noted is extensive vascular calcification .
    OUTPUT:
    
Interval retraction of the endotracheal tube which now projects 4 .5 cm from the carina . No other significant interval change from the prior study .