Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes remain low . Other than bibasilar atelectasis , the lungs are clear . No focal consolidation , effusion , edema , or pneumothorax . The heart is top - normal in size , unchanged . The descending thoracic aorta is slightly tortuous or ectatic .
    OUTPUT:
    
No acute cardiopulmonary process .