Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are normal . There is no pleural effusion or pneumothorax . Lungs are well - expanded . A new subtle opacity at the right medial lung base corresponds with increased opacity overlying the heart on the lateral view , likely represents pneumonia in the correct clinical setting . The upper abdomen is unremarkable . There are no acute osseous abnormalities .
    OUTPUT:
    
Right middle lobe pneumonia .