Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is cardiomegaly as well as diffuse alveolar opacities and septal thickening consistent with mild pulmonary edema . The cardiomediastinal silhouette and hilar contours are normal . The pleural surfaces are normal without effusion or pneumothorax .
    OUTPUT:
    
Mild pulmonary edema and cardiomegaly .