Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest are compared to previous exam from ___ . Low lung volumes are again seen on the current exam . Basilar opacities on the lateral view are most suggestive of atelectasis given low lung volumes . Superiorly , the lungs are clear . Cardiomediastinal silhouette is within normal limits . Surgical clips are seen in the upper abdomen . Osseous and soft tissue structures are otherwise unremarkable .
    OUTPUT:
    
Low lung volumes , but no definite acute cardiopulmonary process .