Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to the prior examination dated ___ , there has been no relevant interval change . The lungs appear well expanded and clear without focal consolidation , pleural effusion , pneumothorax , or pulmonary edema . Known left upper lobe pulmonary nodules are better seen on concurrent CT cervical spine . Scarring seen left midlung compatible with postradiation changes . The cardiomediastinal silhouette is unchanged appearance .
    OUTPUT:
    
No acute cardiopulmonary process .