Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left chest wall pacing leads ending in the left atrium and left ventricle , with a third lead in the coronary sinus . A a right chest wall Port - A - Cath ends in the low SVC . Cardiomediastinal silhouette is unchanged . There is no pleural effusion or pneumothorax . There is no focal lung consolidation .
    OUTPUT:
    
No evidence of pneumonia .