Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Atelectasis is noted at the lung bases . Calcified granuloma seen in the left midlung laterally . The lungs are otherwise clear . The cardiomediastinal silhouette is within normal limits . No acute osseous abnormalities .
    OUTPUT:
    
Bibasilar atelectasis without acute cardiopulmonary process .