Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no focal consolidation , effusion , or pneumothorax . The cardiomediastinal silhouette is normal . Mild multilevel degenerative changes of the thoracic spine are noted . No evidence of free air below the diaphragm . Clips are noted in the abdomen on the lateral view .
    OUTPUT:
    
No acute intrathoracic process .