Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette is stably mildly enlarged . No significant changes in the mediastinal silhouette . Midline sternal wires are well aligned and intact . Surgical clips are noted . In comparison to the most recent prior , pulmonary edema has improved . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
1 . Improvement in pulmonary edema . 2 . No definite consolidation .