Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the previous examination a pigtail catheter is seen in the left lower pole region . The large left pleural effusion has substantially resolved . There is a small left pneumothorax presumably due to trapped or hypoinflated lung . The right lung is clear . Monitor leads overlie the chest . ___ double lumen large bore catheter terminates in the right atrium . The patient has median sternotomy closures and mediastinal clips consistent with coronary artery bypass graft .
    OUTPUT:
    
Evidence for interval placement of a pigtail catheter in the left pleural space with and substantial reduced affection of the large pleural effusion . Small pneumothorax is present The right lung is clear .