Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are low . The heart size is difficult to assess . Multifocal opacities in the lower lungs appear more confluent than on the prior study , particularly at the right lung base . The significance is uncertain since there has been opacification in the area suggesting chronic scarring . However , along the lateral right lung base , a new lateral component was not clearly present on recent prior radiographs and may represent superimposed pneumonia in the appropriate clinical setting .
    OUTPUT:
    
Patchy lateral right lower lung opacity for which the possibility of pneumonia superimposed upon existing atelectasis could be considered in the appropriate setting .