Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Lung volumes are low limiting assessment . There are bilateral pleural effusions , small in volume . Hila appear congested with cephalization and mild interstitial edema , increased from prior exam . The heart is mildly enlarged . Mediastinal contour is unchanged . Aortic calcification again noted . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
Mild pulmonary edema , small pleural effusions .