Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The tunneled central venous catheter is unchanged in position and terminates in the right atrium . Unchanged appearance of biapical scarring . The lungs are free of focal consolidations , pleural effusions or pneumothorax . Cardiomediastinal silhouette is within normal limits .
    OUTPUT:
    
No acute intrapulmonary process .