Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . Relatively low lung volumes are seen with linear left basilar opacities most suggestive of atelectasis . The lungs are otherwise clear without consolidation or vascular congestion . The cardiomediastinal silhouette is normal . No acute osseous abnormalities identified .
    OUTPUT:
    
No acute cardiopulmonary process .