Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . The cardiomediastinal silhouette is within normal limits . Atherosclerotic calcifications are noted at the aortic arch and in the superior right paratracheal region likely due to calcifications of the great vessels . Incidentally noted is lack of fusion of posterior elements of the upper thoracic vertebrae . No acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary process .