Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with the prior radiograph , the pulmonary edema is slightly improved , however not significantly changed . Moderate cardiomegaly and a tortuous aorta are stable . Lung volumes continue to be low . No evidence of pneumothorax or new focal consolidation . Bilateral effusions are greater on the right , unchanged .
    OUTPUT:
    
Slight improvement in the pulmonary edema . No new focal consolidation concerning for pneumonia .