Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest are compared to prior from ___ . There is subtle patchy opacity which silhouettes the right heart border compatible with a right middle lobe infiltrate . Elsewhere , lungs are clear . The cardiomediastinal silhouette is normal . Osseous and soft tissue structures are unremarkable .
    OUTPUT:
    
Right middle lobe patchy opacity compatible with pneumonia in the proper clinical setting .