Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral chest radiograph demonstrates increased airspace opacity adjacent to the right heart border , which remains preserved . There is no effusion or pneumothorax . The cardiac silhouette and mediastinal contours are normal .
    OUTPUT:
    
Hazy opacity adjacent to the right heart border , probably in the middle and lower lobes , concerning for early pneumonia .