Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left pectoral pacemaker leads terminate in right atrium and right ventricle and coronary sinus . There is no consolidation , pneumothorax , or large pleural effusion . Mildly enlarged cardiac silhouette is similar as before . Pulmonary vessel congestion is mild .
    OUTPUT:
    
No pneumothorax . Mild pulmonary vessel congestion .