Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been no significant interval change compared to the prior radiograph performed on ___ . Left chest wall pacer leads terminate in the right atrium and right ventricle , expected . No focal consolidation or pneumothorax . Small left pleural effusion is unchanged . An opacity at the right cardiophrenic angle represents a large hiatal hernia that is better demonstrated on the recent CT torso performed ___ . Moderate cardiomegaly is stable in appearance .
    OUTPUT:
    
1 . No acute cardiopulmonary process . Small left pleural effusion . 2 . Appropriately positioned pacer leads . 3 . Large hiatal hernia .