Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Redemonstrated is a 20 mm lingular nodule , which was better assessed on the prior CT . It is unchanged . The lungs are otherwise clear . There is no consolidation , edema , pleural effusion , or pneumothorax . Chronic blunting of the left costophrenic angle is also unchanged . The cardiomediastinal silhouette is normal .
    OUTPUT:
    
No acute cardiopulmonary process . Unchanged lingular nodule .