Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to the prior radiograph , the degree of pulmonary edema has increased slightly . No new focal consolidation concerning for pneumonia or larger pleural effusions . No pneumothorax . No change in the monitoring and support devices . Moderate cardiomegaly is stable . Patient is status post median sternotomy and aortic valve replacement .
    OUTPUT:
    
Compared with the prior radiograph , pulmonary edema has slightly increased . No pneumothorax or evidence of pneumonia .