Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is mild enlargement of the cardiac silhouette with tortuosity of the thoracic aorta . Hilar contours are unremarkable . There is no fluid overload or interstitial edema . The lungs are clear . Blunting of the posterior costophrenic angles is suggestive of small effusions . There is no pneumothorax .
    OUTPUT:
    
Trace bilateral effusions . No edema or focal consolidation .