Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest demonstrate well - expanded lungs . An area of opacification is seen at the base on the lateral view only . A tiny right - sided pleural effusion is present . The cardiomediastinal and hilar contours are unremarkable . The heart is top normal in size . There is no pneumothorax .
    OUTPUT:
    
An area of opacification is seen at the base on the lateral view only . In the appropriate clinical setting , developing pneumonia could be considered .