Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The right IJ central line terminates in the low SVC . The left - sided dialysis catheter terminates in the cavoatrial junction . There has been interval removal of the left - sided chest tube . The heart is moderately enlarged . Widening of the cardiac silhouette , new since ___ an unchanged since ___ , may represent a pericardial effusion . Increased retrocardiac opacity with elevation of the left hemidiaphragm which is partially obscured medially is consistent with atelectasis at the left lung base . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
1 . Interval removal of the left - sided chest tube . No pneumothorax . 2 . Moderate widening of the cardiac silhouette , new since ___ an unchanged since ___ , may represent a pericardial effusion .