Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is post removal of two left pigtail drains . There is residual left basilar atelectasis and trace pleural effusion . There is no pneumothorax or focal consolidation .
    OUTPUT:
    
Interval removal of 2 left thoracostomy pigtail catheters . Trace left pleural effusion and residual atelectasis .