Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with ___ , the chest tubes have been removed . No pneumothorax is detected . Possible small focus of subcutaneous emphysema adjacent to the left mid clavicle -- has there been recent intervention in this location . Again seen is a right IJ central line , tip overlying the mid / distal SVC . Also again seen is cardiomegaly with sternotomy wires , similar to prior . No overt CHF . Bibasilar atelectasis again noted . Degree of retrocardiac opacity could be very slightly increased . Minimal blunting of left costophrenic angle is again noted .
    OUTPUT:
    
Interval removal of chest tubes . No pneumothorax detected . Equivocal focal small focus of subcutaneous emphysema in the left supraclavicular region . Bibasilar atelectasis and minimal blunting of left costophrenic angle , similar to prior .