Abstract
The diagnosis of emphysema is bad news. There are very few effective treatments for this common condition1 and those that are available do not address the chronic hyperinflation of the lung caused by the destruction of alveoli. Patients with advanced emphysema end up struggling for breath when they perform simple tasks such as climbing stairs or carrying groceries. Many are desperate for a treatment that will allow them to engage in, perhaps even enjoy, the activities of daily life without feeling that they are suffocating.Given this grim outlook, it was not surprising that the publication of the results of . . .

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