Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no focal consolidation , pleural effusion or pneumothorax . Streaky left retrocardiac opacities most likely represents atelectasis . Cardiomediastinal silhouette is within normal limits . No acute osseous abnormalities are identified . A stimulator device is seen in the left anterior chest wall . Left hemidiaphragm is elevated .
    OUTPUT:
    
No acute cardiopulmonary process .