A 150 lb., 63-year-old man is experiencing exertional dyspnea,shortness of breath, mild cyanosis, and marked slowing of forcedexpiration. He is chronically fatigued from the action of breathingand appears to have a \"barrel chest.\" In addition, he has been asmoker for 40 years. The doctor describes his condition as a\"progressive disease that directly affects the site of gas exchangein his lungs.\"
What treatments would you recommend for this patient?
