Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A Port - A - Cath terminates at the cavoatrial junction . The heart is normal in size . The mediastinal and hilar contours appear unchanged . The aortic arch is calcified . The lung volumes are low . The lungs appear clear . There are no pleural effusions or pneumothorax . Exaggerated kyphotic curvature centered along the mid thoracic spine appears unchanged , including suspected bony demineralization .
    OUTPUT:
    
No evidence of acute disease .