Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to prior radiograph , there is no large interval change . Pacing wires unchanged in position ending in the right atrium and right ventricle . Cardiomediastinal contours are unchanged . There is no pleural effusion or pneumothorax . There is no focal lung consolidation . There is mild increased interstitial markings diffusely , which may represent mild interstitial edema .
    OUTPUT:
    
No significant interval change in the appearance of the chest compared to prior . Mild increased interstitial markings diffusely may represent mild interstitial edema .