Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A tracheostomy is noted . There is a right lung base opacity , which overlies the heart on the lateral projection , findings consistent with a right middle lobe pneumonia . The remainder of the lungs appear clear . There is no pleural effusion . No pneumothorax is evident . Enlargement of the right hilar contour likely represents reactive hilar adenopathy . The remainder of the cardiomediastinal and hilar contours are within normal limits .
    OUTPUT:
    
Right middle lobe pneumonia .