Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a left chest tube in place that remains unchanged in position . There is a small residual left pleural effusion unchanged from most recent study . There is residual left pneumothorax that remain stable . Aeration in the left lower lung is improved . There is mild atelectasis of the right lung base which is unchanged . There is re- demonstration of multiple left rib fractures with associated extrapleural blood which remains unchanged .
    OUTPUT:
    
Small residual left pleural effusion and residual left medial pneumothorax that remains stable . Mild atelectasis of the right lung base which is stable . Multiple left rib fractures with extrapleural blood which remains unchanged .