Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low , with persistent elevation of the right hemidiaphragm . Bibasilar atelectasis is present . Otherwise , the lungs appear clear . No pneumothorax or pleural effusion is present . There is unchanged appearance to tubing projecting over the right hemithorax , which may be and old VP shunt catheter , correlate clinically .
    OUTPUT:
    
No acute cardiopulmonary findings . Low lung volumes with bibasilar atelectasis .