Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A Port - A - Cath terminates at the cavoatrial junction . The lung volumes are low . The cardiac , mediastinal and hilar contours appear unchanged . The heart is borderline in size with a left ventricular configuration , and there is mild unfolding of the thoracic aorta . A small eventration is noted along the anterior right hemidiaphragm . The lungs appear clear . There are no pleural effusions or pneumothorax .
    OUTPUT:
    
No evidence of acute disease .