Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest . As on prior , there are increased interstitial markings throughout the lungs and upper lung redistribution . The cardiac silhouette is enlarged similar compared to prior . Blunting of the left greater than right costophrenic angles could be technical or due to overlying soft tissues although small effusions are not excluded .
    OUTPUT:
    
Mild pulmonary edema .