Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are clear . There is no focal consolidation , effusion , or edema . Cardiac silhouette is mildly enlarged . There is tortuosity of the thoracic aorta . Hypertrophic changes noted in the spine .
    OUTPUT:
    
Mild cardiomegaly without superimposed acute cardiopulmonary process .