Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . The aortic knob is calcified . Calcified AP window lymph node is again seen . Mediastinal and hilar contours are otherwise within normal limits . Lungs are clear . No pleural effusion or pneumothorax is identified . There are mild osteophytes within the thoracic spine . Mild loss of height of several mid thoracic vertebral bodies is unchanged .
    OUTPUT:
    
No acute cardiopulmonary process .