Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is interval improvement in lung volumes . No consolidation present . Mild cardiomegaly and prominence of bilateral vasculature likely represents mild pulmonary edema . There is no pleural effusion or pneumothorax . An old rib fracture of the posterior right seventh rib is noted , unchanged from before . Otherwise visualized bony thorax is unremarkable . EKG leads overlie the anterior chest wall .
    OUTPUT:
    
Likely mild pulmonary edema . No consolidation . Old rib fracture of the posterior right seventh rib .