Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without focal consolidation . No pleural effusion or pneumothorax is seen . The cardiac silhouette is top - normal to mildly enlarged . No overt pulmonary edema is seen . The aorta is tortuous .
    OUTPUT:
    
Top - normal to mildly enlarged cardiac silhouette without pulmonary edema .