Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal silhouette and hilar contours are unremarkable . There is no pleural effusion or pneumothorax . There is a small opacity seen only on the lateral view could be a very early focus of pneumonia in the correct clinical setting .
    OUTPUT:
    
Small opacity seen best on the lateral film , possible pneumonia . Correlate clinically .