Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Opacity in the right lower lobe obscures the spine on lateral view and right heart border on frontal view . Lung volumes are low . There is no pleural effusion , or pneumothorax . Cardiomediastinal and hilar silhouettes are normal size .
    OUTPUT:
    
Opacity in the right lower lobe concerning for pneumonia .