Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Head dual lumen Port - A - Cath terminates at approximately the cavoatrial junction . Lung volumes are unchanged compared to the prior study . No consolidation , pneumothorax or pleural effusion seen . The cardiomediastinal contour is unchanged . Visualized bony structures are unremarkable in appearance .
    OUTPUT:
    
No acute cardiopulmonary process seen .