Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . The atrial lead of a left chest wall pacer terminates in the inferior wall of the right atrium . The ventricular lead terminates in expected position . Heart size and cardiomediastinal contours are normal . Lungs are clear without focal consolidation , pleural effusion , or pneumothorax .
    OUTPUT:
    
New left pacer with atrial lead terminating in the inferior wall of the right atrium . No pneumothorax .