Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is increased opacification involving the right infrahilar region with increased density overlying the spine on lateral view . The cardiomediastinal silhouette is normal . There is no pleural effusion or pneumothorax . There is no acute osseous abnormality .
    OUTPUT:
    
Right lower lobe pneumonia . Recommend four to six week follow - up radiograph to assess for resolution .