Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiograph demonstrates hypoinflated lungs with crowding of vasculature . Heterogeneous opacity partially obscuring the right heart border is consistent right middle lobe pneumonia . No pleural effusion or pneumothorax . Heart size , mediastinal contour , and hila are unremarkable .
    OUTPUT:
    
Right middle lobe pneumonia .