Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal chest radiograph . There now are again diffuse confluent pulmonary opacities . Given prior episodes , this is most consistent with severe pulmonary edema . The heart size can not be well assessed , and no pleural effusion or pneumothorax is seen .
    OUTPUT:
    
Recurrent severe pulmonary edema .