Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . Heart size is mildly enlarged , unchanged . The aorta remains tortuous . The mediastinal , hilar contours , and pleural surfaces are otherwise unremarkable . No pulmonary edema , pleural effusion , or pneumothorax . No focal consolidations are seen .
    OUTPUT:
    
No acute cardiopulmonary process .