Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is probably normal in size , although with a left ventricular configuration . The mediastinal and hilar contours appear within normal limits . There is mild elevation of the right hemidiaphragm . The colon appears at least partly interposed beneath the right hemidiaphragm and anterior to the lateral side of the liver . The lungs appear clear . There are no pleural effusions or pneumothorax . There is no free air .
    OUTPUT:
    
No evidence of acute cardiopulmonary disease .