Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest demonstrate mild opacification likely in the lingula . In the appropriate clinical setting , this could represent pneumonia . Compared to the prior radiograph , this is new . Otherwise , the cardiac and mediastinal contours are unchanged . Additionally , hyperinflation of the lung is again seen with flattening of the diaphragms . No pleural abnormality is detected .
    OUTPUT:
    
Subtle opacity at the left lung , likely the lingula , which in the appropriate clinical setting may represent pneumonia . These findings were relayed to Dr . ___ , at 5 :05 p .m . on the day of the examination .