Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were reviewed and compared to the prior study . The lung volumes are low and there is minimal bibasilar atelectasis , otherwise the lungs are clear without evidence of vascular congestion , pleural effusion , or pneumothorax . The heart and mediastinal contours are unchanged . The bones and soft tissues are unchanged .
    OUTPUT:
    
No acute cardiopulmonary process .