Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Mild bibasilar atelectasis is seen . No definite focal consolidation . No pleural effusion or pneumothorax . The cardiac and mediastinal silhouettes are stable . Hilar contours are also stable .
    OUTPUT:
    
No significant interval change . Bibasilar atelectasis .