Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest were obtained . There is persistent elevation of the left hemidiaphragm . Mild bibasilar atelectasis is seen . There is no definite focal consolidation . No pleural effusion or pneumothorax . The cardiac and mediastinal silhouettes are stable .
    OUTPUT:
    
No significant interval change .