Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Bilateral pleural drains are in unchanged position . Since the prior exam , small bilateral pleural effusions are unchanged . There is no new opacity or pulmonary edema . There is no pneumothorax . The cardiomediastinal silhouette is normal .
    OUTPUT:
    
No significant change from the prior radiograph ; again , there are small bilateral pleural effusions . No pneumothorax .