Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP semi-upright portable chest radiograph obtained . Tunneled dialysis catheter is unchanged , terminating in the cavoatrial junction . Lung volumes are low . There is no focal consolidation , effusion , or pneumothorax . The cardiomediastinal silhouette appears normal . The imaged osseous structures appear intact .
    OUTPUT:
    
No acute findings in the chest .