Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A feeding tube has been removed . The heart is at the upper limits of normal size . There is mild unfolding of the thoracic aorta and calcification along the arch . The mediastinal and hilar contours appear unchanged . The lungs appear clear . There are no pleural effusions or pneumothorax . A healed right mid clavicle fracture is noted .
    OUTPUT:
    
No evidence of acute disease .