Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is mildly enlarged . Sternal wires and multiple surgical clips are seen throughout the heart , stable compared to the prior exam . The hilar and mediastinal contours are unremarkable . There is no evidence of interstitial edema or pulmonary vascular congestion . No focal opacities suggestive of an infection are identified . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
No new infiltrates suggestive of infection . No secondary signs suggestive of congestive heart failure .