Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes remain low . No consolidation or pleural effusion seen . A linear lucency at the periphery of the right lung base is likely due to an overlapping skin fold , this would be an unusual appearance for a pneumothorax but attention to this area on subsequent chest radiographs is recommended . Right basilar atelectasis . Previous median sternotomy noted .
    OUTPUT:
    
No consolidation seen . A linear lucency along the right lower chest wall is likely an artifact related to an overlying skin fold but a small pneumothorax can not be excluded . Recommend attention to this area on subsequent chest radiographs .