Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a new dual lead pacemaker . On the frontal film slowed leads project over the expected locations of the heart . However , on the lateral film 1 of the leads projects posteriorly which is unexpected . The heart is upper limits normal in size . Sternal wires and mediastinal clips are again seen . There is no focal infiltrate or effusion . There is no pneumothorax .
    OUTPUT:
    
1 of the pacemaker wires projects posteriorly on the lateral film . This is likely the atrial lead .