Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is extensive bilateral pulmonary opacities which may be due to severe pulmonary edema or infection . More confluent opacity in left mid lung raises concern for consolidation due to infection . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are stable .
    OUTPUT:
    
Diffuse bilateral pulmonary opacities raise concern for severe pulmonary edema . Underlying infection , particularly in the left mid lung , not excluded .