Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours appear stable . The right cardiac border is slightly obscured suggesting minimal atelectasis in the lingula . However , the lungs appear otherwise clear . There are no pleural effusions or pneumothorax .
    OUTPUT:
    
Findings suggest minor atelectasis in the right middle lobe ; otherwise no significant change .