Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . Low lung volumes and bibasilar atelectasis . No evidence of pneumonia . No pulmonary vascular congestion or pulmonary edema . Heart size is accentuated by low lung volumes . Mediastinal and hilar contours are normal . No pneumothorax or pleural effusions . The right Port - A - Cath ends at the cavoatrial junction .
    OUTPUT:
    
Low lung volumes and bibasilar atelectasis . No evidence of pneumonia .