Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is normal in size . The mediastinal and hilar contours are unremarkable . There is no pleural effusion or pneumothorax . Opacity in the medial right middle lobe suggests pneumonia . Otherwise the lung fields appear clear . There is no free air .
    OUTPUT:
    
Findings suggest right middle lobe pneumonia . Follow - up radiographs are recommended to show resolution in ___ weeks .