Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear bilaterally . There are no focal consolidations , pleural effusions or pneumothorax . The cardiomediastinal silhouette is within normal limits . Mild atherosclerotic calcification of the aortic arch , unchanged from prior . No acute osseous abnormalities .
    OUTPUT:
    
No acute intrapulmonary process .