Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi supine chest film ___ at 12 :08 is submitted .
    OUTPUT:
    
Interval placement of a right basilar pigtail catheter with improved aeration in the right hemithorax consistent with resolving pleural effusion . There is persistent airspace opacity in the right lung likely reflecting persistent atelectasis , although pulmonary contusion or superimposed infection can not be excluded . Patchy peripheral left upper lobe opacity and left retrocardiac opacity also likely reflect areas of pulmonary contusion , aspiration or atelectasis . No pneumothorax . Overall left - sided cardiac and mediastinal contours appear stable . Stable thoracic scoliosis . No acute bony abnormality appreciated .