Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are atelectatic changes extending from the right hilum into the right lower lung field . There is a small right pleural effusion . The cardiomediastinal silhouette and hila are normal . There is no pneumothorax and no suspicious lung consolidation . DISH is seen in the thoracic spine . There is no free air .
    OUTPUT:
    
Small right pleural effusion . No evidence of pneumonia , pneumothorax or pneumoperitoneum .