Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left - sided pacemaker is seen with leads projecting over the right ventricle and left ventricle and unchanged in position from prior radiograph . There is no focal consolidation , pleural effusion or pneumothorax . Cardiac silhouette is enlarged but stable .
    OUTPUT:
    
1 . Left - sided pacemaker leads unchanged in position . 2 . Stable cardiomegaly .