Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is within normal limits . The mediastinal and hilar contours are unremarkable . The lungs show improvement of the previously described retrocardiac consolidation . There is no large pleural effusion or pneumothorax . A prominent gas and stool distended loop of colon is present in the region of the splenic flexure .
    OUTPUT:
    
Near - complete improvement of previous left lower lobe pneumonia .