Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . The lungs are clear without focal consolidation , effusion , or edema . The cardiomediastinal silhouette is within normal limits . Atherosclerotic calcifications are again noted at the aortic arch . Degenerative changes are seen at the right shoulder .
    OUTPUT:
    
No acute cardiopulmonary process .