Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . No prior . Linear left greater than right basilar opacities on the frontal view are most compatible with atelectasis . Elsewhere , the lungs are clear . Cardiomediastinal silhouette is within normal limits . Osseous and soft tissue structures are notable for mild hypertrophic changes in the spine .
    OUTPUT:
    
No acute cardiopulmonary process .