Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right basilar chest tube is noted , new in the interval . There has been no substantial interval change in the size of the large right pleural effusion with leftward shift of mediastinal structures and associated collapse of the right lung . Again noted is a small amount of residual aerated lung in the right upper lobe . Left lung remains grossly clear . Central venous catheter from an inferior approach terminates at the junction of the IVC and right atrium , unchanged . No pneumothorax is present . Right mastectomy and axillary clips are re - demonstrated .
    OUTPUT:
    
Interval placement of right basilar chest tube . No interval change in size of large right pleural effusion with leftward shift of mediastinal structures and associated right lung collapse .