Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Lungs are clear . No large effusion or pneumothorax is seen . Cardiomediastinal silhouette is stable with partially calcified aneurysm at the level of the aortic isthmus partially visualized though better assessed on prior CT . Multiple old right rib cage deformities are noted . There is a chronic compression deformity of a lower thoracic vertebra . Deformities involving the distal clavicles noted bilaterally .
    OUTPUT:
    
No acute findings .