Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . No focal consolidation , pleural effusion , or pneumothorax is seen . The cardiac silhouette is top normal to mildly enlarged but decreased in size as compared to ___ . No overt pulmonary edema is seen . The mediastinal contours are unremarkable .
    OUTPUT:
    
Top normal to mildly enlargement of the cardiac silhouette , decreased in size as compared to the prior study .