Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A bronchial stent is seen from distal trachea through the left main bronchus . The lungs are hyperinflated but clear consistent with emphysema . There is no pneumonia . The mediastinum is widened consistent with mediastinal mass seen on recent CT from ___ . There is no evidence of pneumothorax . No effusions are seen .
    OUTPUT:
    
No evidence of pneumothorax or acute cardiopulmonary process .