Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . The heart is moderately enlarged . There is asymmetric parenchymal opacities , right greater than left . The right costophrenic angle is blunted , compatible with a small - to - moderate sized pleural effusion . The osseous structures are unremarkable . The wire of a single - lead left chest wall pacer terminates in the right ventricle .
    OUTPUT:
    
1 . Asymmetric pulmonary edema , right greater than left . Component of superimposed infection not excluded . 2 . Small - to - moderate sized right pleural effusion . 3 . Moderate cardiomegaly .