Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Biapical pleural thickening is seen . The lungs are hyperinflated . Bibasilar scarring is seen without definite focal consolidation . Calcification of the tracheobronchial tree is again seen . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are stable .
    OUTPUT:
    
No acute cardiopulmonary process . Again seen changes of COPD and tracheobronchial calcification .