Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated , suggesting chronic obstructive pulmonary disease . There is blunting of the left costophrenic angle suggesting a small pleural effusion . There may be a trace right pleural effusion . There is moderate pulmonary edema . Difficult to exclude underlying infectious process . The cardiac silhouette is mildly enlarged . The aorta is unfolded .
    OUTPUT:
    
Left greater than right small pleural effusions . Pulmonary edema . Mild cardiomegaly . Underlying infection difficult to exclude in the appropriate clinical setting .