Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The inspiratory lung volumes are appropriate . There is no large pleural effusion or pneumothorax . Streaky opacities in the retrocardiac left lung base most likely reflect atelectasis . No focal consolidations concerning for aspiration or pneumonia are seen . The cardiomediastinal contours are within normal limits .
    OUTPUT:
    
No evidence of aspiration pneumonia .