Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . As on prior , mild bibasilar opacities potentially due atelectasis in setting of slightly low lung volumes . Superiorly the lungs are clear . The cardiomediastinal silhouette is stable . No acute osseous abnormality detected .
    OUTPUT:
    
No definite acute cardiopulmonary process .