Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is mild - to - moderate cardiomegaly . The mediastinal contours are normal . There are bilateral small , left greater than right , pleural effusions . No pneumothorax identified . There is moderate pulmonary edema . There is no focal opacity .
    OUTPUT:
    
Moderate pulmonary edema and small bilateral pleural effusions .