Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a moderate hiatal hernia . Streaky bibasilar opacities right greater than left may be due to atelectasis . Elsewhere , the lungs are clear . Cardiac silhouette is top normal in size . Atherosclerotic calcifications are noted at the aortic arch . No acute osseous abnormalities identified .
    OUTPUT:
    
Moderate hiatal hernia . No definite superimposed acute cardiopulmonary process . Bibasilar opacities likely due to atelectasis .