Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a small heterogeneous opacity in the right middle lobe which obscures the right cardiac border and can be seen posterior to the heart on lateral view . Otherwise , the lungs are clear . The hilar and cardiomediastinal contours are normal . There is no pneumothorax or pleural effusion . The pulmonary vascular markings are normal .
    OUTPUT:
    
Early right middle lobe focal pneumonia . Findings were communicated to Dr . ___ by Dr . ___ by telephone on ___ at 17 :00 .