Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Interval placement of a left chest wall dual lead pacemaker , the leads projecting over the expected location of the right atrium and right ventricular apex . No focal consolidation , pleural effusion or pneumothorax identified . The size of the cardiomediastinal silhouette is at the upper limits of normal .
    OUTPUT:
    
Status post placement of a left chest wall dual lead pacemaker with the leads projecting over the expected locations of the right atrium and right ventricular apex . No pneumothorax .