Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is mild left basilar atelectasis ; otherwise , the lungs are clear with no evidence of a consolidation , effusion , or pneumothorax . Cardiomediastinal silhouette is normal . Atherosclerotic calcifications are noted at the aortic arch . No acute fractures are identified .
    OUTPUT:
    
Mild left basilar atelectasis with no acute cardiopulmonary process .