Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The left pectoral dual chamber pacemaker is positioned with tips terminating in right atrium and right ventricle . No consolidation , pleural effusion , pneumothorax . The hila and pulmonary vasculature are normal . The cardiomediastinal silhouette is normal . No obvious osseous abnormalities .
    OUTPUT:
    
Pacer leads terminate in the right atrium and right ventricle . No pneumothorax .