Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest is compared to previous exam from ___ . Low lung volumes are seen . The lungs , however , are clear with large confluent consolidation . There is no visualized pneumothorax . Cardiomediastinal silhouette is stable given differences in positioning . There is no visualized displaced fracture .
    OUTPUT:
    
No acute cardiopulmonary process .