Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No new opacity to indicate infection or aspiration . Minimal opacity in the right lung base was present ___ and likely represents crossing vessels , atelectasis or scarring . Left lower lung opacity is most consistent with atelectasis . No pleural effusion or pneumothorax . The heart size is top normal .
    OUTPUT:
    
No new opacity to indicate infection or aspiration .