Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No significant interval change . No focal consolidation , edema , effusion , or pneumothorax . Bibasilar atelectasis persists . Slight elevation the right hemidiaphragm is unchanged . The heart is normal in size . The mediastinum is not widened . Surgical clips in the mid upper abdomen are compatible with prior history of subtotal gastrectomy and fundduplication , unchanged . A round radiopaque foreign body in the left chest wall is unchanged .
    OUTPUT:
    
No focal pneumonia . Bibasilar atelectasis , right greater than left .