Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . The cardiac silhouette is moderately enlarged . Perihilar opacities suggest mild pulmonary edema . However , there are additional patchy opacities in the right mid - to - lower lung which could relate to fluid overload , aspiration , or infection . No evidence of pleural effusion is seen on the left . There is persistent blunting of the right costophrenic angle , similar to prior . No pneumothorax is seen .
    OUTPUT:
    
1 . Moderate - to - severe cardiac silhouette enlargement . 2 . Perihilar opacity may be due to mild pulmonary edema . However , additional patchy opacities in the right mid - to - lower lung could be due to prominent vasculature , infection , or aspiration .