Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs relatively hyperinflated . There is subtle patchy right basilar opacity which could be due to atelectasis although aspiration or subtle infection is not excluded in the appropriate clinical setting . The left lung is clear . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are stable .
    OUTPUT:
    
Subtle patchy right basilar opacity could be due to atelectasis / scarring , although aspiration or subtle infection is not excluded in the appropriate clinical setting .