Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs are provided . There is no focal consolidation , pleural effusion or pneumothorax . The cardiomediastinal silhouette is notable for calcifications of the aortic arch but is otherwise unremarkable . Multilevel degenerative changes of the thoracic spine are present but there are no acute fractures ,
    OUTPUT:
    
No acute cardiopulmonary process .