Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac , mediastinal and hilar contours are unchanged , with the heart size within normal limits . The aortic knob is calcified . There is no pulmonary vascular congestion . Lungs are hyperinflated with relative paucity of vascular markings in the lung apices compatible with severe emphysema . No focal consolidation , pleural effusion or pneumothorax is present . Mild loss of height of a mid thoracic vertebral body as well as a vertebral body at the thoracolumbar junction is unchanged . Partially imaged is cervical fusion hardware .
    OUTPUT:
    
No acute cardiopulmonary abnormality . Emphysema .