Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval removal of the right - sided pigtail catheter when compared to the prior exam . There is possibly a trace pneumothorax , but not substantial . Surgical sutures are seen projecting over the right hemithorax . There are no pleural effusions . No focal consolidations are seen . Heart size is normal and osseous structures are unchanged .
    OUTPUT:
    
No acute intrathoracic process status post right pigtail catheter removal with equivocal findings for a tiny residual right pneumothorax .