Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is an unchanged small right pleural effusion and vascular congestion . Otherwise , the lungs are clear , without focal consolidation . There is no pneumothorax . The cardiomediastinal silhouette is unchanged . Midline sternotomy wires and CABG clips are noted .
    OUTPUT:
    
Unchanged , small right pleural effusion with mild pulmonary edema .