Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal portable radiographs of the chest demonstrate stable mild enlargement of the cardiac silhouette . The left chest wall triple lead pacing device is unchanged . The lungs are clear . No pleural effusion or pneumothorax . Pulmonary vascular congestion is new from the prior .
    OUTPUT:
    
No pneumothorax . Stable mild cardiomegaly with new vascular congestion