Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Dual - lead pacemaker is noted in place . Cardiomediastinal silhouette is normal . Atherosclerotic calcifications are noted at the aortic arch . There is a small focal opacity at the left bases suggestive of atelectasis / aspiration . Otherwise , the remainder of the lungs are clear . No acute fractures are identified .
    OUTPUT:
    
There is a small focal opacity at the left bases suggestive of atelectasis / aspiration . Otherwise , the remainder of the lungs are clear .