Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again visualized is a small - to - moderate right pleural effusion , relatively stable in comparison to prior chest CT from ___ . Otherwise , the lungs are without evidence of focal consolidation or pneumothorax . Post - surgical changes are visualized with mediastinal clips and intact median sternotomy wires . Cardiomediastinal silhouette remains stable . Visualized osseous structures are grossly normal .
    OUTPUT:
    
Stable appearance of small - to - moderate right pleural effusion .