Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . The heart is enlarged and the aorta is moderately tortuous . The hilar contours are normal . The pleural surfaces are normal without effusion or pneumothorax .
    OUTPUT:
    
Mild cardiomegaly with no evidence of acute cardiopulmonary process . No evidence of pulmonary edema .