Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is continued improvement of diffuse interstitial opacities consistent with the diagnosis of pulmonary edema . The cardiomediastinal and hilar contours are stable . There is no pleural effusion or pneumothorax . Hiatal hernia is again seen .
    OUTPUT:
    
1 . Continued improvement of diffuse interstitial opacification is consistent with pulmonary edema . 2 . No new lung opacifications .