Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Hyperinflation and basilar bulla are severe . A reticular opacity in emanating from the right hilus is old . There is no new consolidation effusion or pneumothorax . Cardiac and mediastinal contours are normal . Large impression on the left side of the cervical trachea , consistent with thyroid mass .
    OUTPUT:
    
Emphysema without acute pulmonary process . Large thyroid mass .