Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs were obtained . The lungs are clear . No nodule , consolidation , or pneumothorax is present . A tiny left effusion is likely still present , better visualized on decubitus view of ___ . Median sternotomy wires are intact . The heart remains mildly enlarged .
    OUTPUT:
    
Stable small left effusion .