Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to the study performed ___ hours prior the left pigtail catheter has been removed . There is stable appearance of the chest . It is difficult to assess for a pneumothorax on the lateral view due to overlying subcutaneous emphysema ; however , if a small pneumothorax is present is is not increased . . Small bilateral pleural effusions persist .
    OUTPUT:
    
Stable appearance of the chest after removal of the left pigtail catheter .