Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is mild - to - moderate interstitial pulmonary edema . The cardiac silhouette is moderately enlarged . The mediastinal contours are normal with calcification noted in the aortic knob . A left chest biventricular AICD is unchanged . There is a small left and possibly right pleural effusion without pneumothorax .
    OUTPUT:
    
Interstitial pulmonary edema and small pleural effusions .