Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Low lung volumes with moderate bibasilar atelectasis which is unchanged from ___ . Widened mediastinum is likely benign and most likely ___ tortuous pulmonary veins and mediastinal fat . There is no pneumothorax or pleural effusion . Cardiac size is normal .
    OUTPUT:
    
No interval change from ___ . Persistent low lung volumes with moderate bibasilar atelectasis .