Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are lower . The lungs are clear without consolidation , effusion , or edema . Large hiatal hernia is noted . Cardiac silhouette is unchanged given differences in positioning and technique . Atherosclerotic calcifications are seen at the aortic arch . No acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary process . Large hiatal hernia .