Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is mild - to - moderate pulmonary edema . There are no focal consolidations . Pleural effusions , if present , are trace . There is no pneumothorax . Mild cardiomegaly is unchanged from the prior exam . The mediastinum is normal . The osseous structures are unremarkable .
    OUTPUT:
    
Mild - to - moderate pulmonary edema .