Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild cardiomegaly persists . Compared with the prior radiograph , mild to moderate interstitial pulmonary edema has essentially resolved . No new focal consolidation , pleural effusion , or pneumothorax .
    OUTPUT:
    
Low lung volumes , with interval resolution of moderate interstitial pulmonary edema . No new focal consolidation concerning for pneumonia .