Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated . The lungs are clear . The atelectasis seen on chest radiograph dated ___ ( right lower lung ) has resolved . There is no pleural effusion or pneumothorax . The cardiomediastinal silhouette is unchanged .
    OUTPUT:
    
Resolution of previously seen right lower lung opacity . No acute findings .