Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal silhouettes are stable , within normal limits . Mild prominence of the hila is not appreciably changed since prior study . The lungs are clear . There is no pulmonary vascular congestion . There is no pneumothorax or pleural effusion . Surgical clips are noted overlying the left breast .
    OUTPUT:
    
No acute cardiopulmonary process .