Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The tip of the right internal jugular central venous catheter has been retracted and now projects over the upper SVC . There has been interval removal of the left chest tube and mediastinal drains . No pneumothorax identified . There is left lower lung zone atelectasis and a possible small left pleural effusion . The size of the cardiac silhouette is unchanged .
    OUTPUT:
    
Interval removal of the left chest tube and mediastinal drains . No pneumothorax identified . Interval retraction of the right internal jugular central venous catheter , the tip which now projects over the upper SVC .