Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . There is no focal consolidation , and no effusion or pneumothorax . Hilar and cardiomediastinal contours are normal , with calcification and mild tortuosity of the thoracic aorta . Pleural surfaces are smooth . There is no pulmonary vascular congestion or pulmonary edema . Extensive degenerative changes are noted in the thoracic spine , with multiple bridging paraspinal osteophytes , which account for apparent increased right paratracheal density . There are no acute osseous abnormalities identified .
    OUTPUT:
    
No acute cardiopulmonary process . Calcification of the thoracic aorta and marked thoracic degenerative change are incidentally noted .