Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is at the upper limits of normal size . The aortic arch is calcified . There is mild unfolding of the thoracic aorta . Patchy medial right basilar opacity suggests minor atelectasis . Otherwise , the lungs appear clear . There are no pleural effusions or pneumothorax . Mild degenerative changes are similar along the mid - to - lower thoracic spine .
    OUTPUT:
    
No evidence of acute cardiopulmonary disease . Suspected minor right basilar atelectasis .