 - Has lung cancer within the last 2 years, chronic bronchitis with an increase in severity within the last 30 days, chronic enlargement of the bronchi or bronchioles related to inflammatory disease or obstruction, lung abscesss, anatomical bronchial obstruction, respiratory tuberculosis on treatment, suspected atypical pneumonia, chemical pneumonitis, cystic fibrosis, congestive heart failure, severe burns to greater than 15 of the body, evidence of severe and chronic liver disease 