Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded . Compared with prior exam , there are diffuse bilateral interstitial opacities , right worse than left , mostly in a perihilar distribution with bilateral hilar engorgement compatible with new pulmonary edema . A retrocardiac opacity is redemonstrated . There is no pleural effusion or pneumothorax . Cardiomediastinal contours are unremarkable .
    OUTPUT:
    
1 . New pulmonary edema . 2 . Reidentified retrocardiac opacity compatible with left lower lobe pneumonia .