Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable upright frontal radiograph of the chest was obtained . The dual lead ICD projects over the left lateral chest wall with the leads in unchanged position from the prior study . The heart size and mediastinal contours are stable . No focal consolidation , pleural effusion or pneumothorax is present .
    OUTPUT:
    
Stable appearance of the chest compared to ___