Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . The lungs are clear . Nodular opacities over the mid - to - lower lungs bilaterally are most compatible with nipple shadows . Cardiomediastinal silhouette is within normal limits . There is no free intraperitoneal air . No acute osseous abnormality is identified .
    OUTPUT:
    
No acute cardiopulmonary process .