Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the prior radiograph two days prior , there has been worsening mild pulmonary edema . There is no consolidation , pleural effusion , or pneumothorax . The cardiomediastinal silhouette is unchanged with a normal postoperative appearance . Sternal wires and the prosthetic cardiac valve are unchanged in appearance .
    OUTPUT:
    
1 . Worsening mild pulmonary edema . 2 . No pneumothorax . Results were discussed with Dr . ___ at 12 : 15 on ___ via telephone by Dr . ___ ___ minutes after the findings were discovered .