Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . The mediastinal and hilar contours are normal . The pulmonary vasculature is normal . Lungs are fully expanded and clear without any atelectasis . No pleural effusion or pneumothorax is seen the diaphragms appear flattened , which suggests hyperinflation .
    OUTPUT:
    
1 . Resolution of previous bibasilar atelectasis . 2 . Diaphragmatic flattening suggesting hyperinflation .