Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . The lungs are clear . Incidental note is made of an azygos lobe and fissure . Cardiomediastinal silhouette is normal . Calcified node versus atherosclerotic calcifications seen in the region of the aortic arch . Osseous and soft tissue structures are unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process .