Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are stable , with stable enlargement of the left pulmonary artery superimposed over the left upper lung . Streaky opacities and volume loss in the right lower lobe , likely atelectasis , have been stable since the prior studies . No new consolidation , pulmonary edema , pleural effusion or pneumothorax is seen . There is stable volume loss in the left lung secondary to prior lobectomy .
    OUTPUT:
    
Right lower lobe opacity with volume loss , likely atelectasis , unchanged since the earlier study of ___ .