Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Interval placement of right - sided basilar pigtail catheter with interval decrease in size of the right pleural effusion and increased aeration overall in the right lung . There is persistent airspace consolidation in the right lower lung likely representing residual partial lower lobe collapse . No pneumothorax is appreciated . Cardiac mediastinal contours are difficult to assess due to marked patient rotation on the current study , although the heart remains enlarged . Overall , the left lung remains grossly clear . No pulmonary edema .
    OUTPUT:
    
Interval placement of right - sided pigtail pleural drain with interval decrease in size of right - sided pleural effusion and improved aeration of the right lung . No pneumothorax is identified .