Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal and hilar contours are stable . There is no pleural effusion or pneumothorax . Again demonstrated is stable extensive parenchymal consolidation , which may represent pulmonary edema with superimposed pneumonia . There is stable appearance of a left pacemaker with tips terminating in the right atrium and right ventricle .
    OUTPUT:
    
Stable radiographic appearance of extensive bilateral parenchymal consolidations , which may represent pulmonary edema with superimposed pneumonia . However , other etiologies such as cryptogenic organizing pneumonia , eosinophilic pneumonia , or hemorrhage may also account for this appearance .