Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left pectoral pacer and dual leads are new from the prior exam and are in expected position . The cardiomediastinal and hilar contours are within normal limits . There is no pneumothorax , pleural effusion or focal consolidation .
    OUTPUT:
    
No pneumothorax . Left chest wall pacer in 2 leads are in expected position .