Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is slightly increased small right pleural effusion compared to ___ . Left chest tube is in unchanged position . The small amount of pleural fluid at the left apex is similar to ___ . Cardiomediastinal silhouette is unchanged and within normal size .
    OUTPUT:
    
Slightly increased small right pleural effusion compared to ___ . Pleural fluid at the left apex is unchanged .