Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to the most recent prior radiograph , pulmonary edema has improved , but not completely resolved . Calcified pleural plaques and granulomas are unchanged . There is no pleural effusion , focal consolidation or pneumothorax . Median sternotomy wires are intact . Surgical clips are seen in the left mid thorax . Cardiac silhouette is mildly enlarged but not changed .
    OUTPUT:
    
Improvment in pulmonary edema .