Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The right chest tube is unchanged in position compared to the prior study . The nasogastric tube has been removed . There is persistent widening of the mediastinum , presumed to be postoperative . There is a small right pleural effusion with associated atelectasis , fluid tracks into the right minor fissure . There is mild pulmonary vascular congestion without frank pulmonary edema . No consolidation or pneumothorax seen .
    OUTPUT:
    
Slight increase in the small right pleural effusion , otherwise no significant interval change .