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 mildly enlarged . The aorta is calcified . No overt pulmonary edema is seen .
    OUTPUT:
    
Mild enlargement of the cardiac silhouette without overt pulmonary edema .