Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral images of the chest . There is an opacity in the right lung base concerning for pneumonia . There is no pleural effusion or pneumothorax . The cardiomediastinal silhouette is unremarkable . A large hiatal hernia is seen .
    OUTPUT:
    
1 . Opacity in the right lung base concerning for pneumonia . 2 . Large hiatal hernia .