Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A tracheal and bilateral bronchial stents are again visualized , unchanged in position from the prior examination . The lungs are well expanded and clear without focal consolidation , pleural effusion , pneumothorax , or pulmonary edema . The cardiomediastinal silhouette is unchanged from prior examination .
    OUTPUT:
    
No acute cardiopulmonary process . Stable positioning of tracheobronchial stents .