Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear besides left basilar atelectasis . The patient 's chin obscures partial visualization of the lung apices . The cardiomediastinal silhouette is within normal limits . Dense atherosclerotic calcifications noted at the aortic arch . No acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary process .