Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are heterogeneous opacities in the right middle lobe and , to a lesser degree , the lingula . These have progressed since the CT from 1 week ago . The hilar and cardiomediastinal contours are normal . There is no pneumothorax . There is no pleural effusion . Pulmonary vascularity is normal .
    OUTPUT:
    
Multifocal pneumonia involving the right middle lobe and the lingula .