Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Two views of the chest demonstrate a normal cardiomediastinal silhouette . The lungs are well aerated and clear without focal consolidation , pleural effusion , or pneumothorax . Degenerative changes of the thoracic spine are again seen . The visualized upper abdomen is unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process .