Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . There is no evidence of pneumonia , pneumothorax , or pleural effusion . Cardiac silhouette is normal in size . The aorta is mildly tortuous . The patient is noted to be status post cholecystectomy . An anterior wedge compression of a single lower thoracic vertebral body is again noted , largely unchanged since the prior study .
    OUTPUT:
    
No acute cardiopulmonary process .