To date, the benefits have been modest but have been hypothesized to be much larger in patients without interlobar collateral ventilation than in those with collateral ventilation. We randomly ...

On the other hand, pleural effusion localized in an interlobar space is not a common finding, since only 15 cases have been recorded in the literature. 1–11 Multiple, localized pleural effusions ...

"Endobronchial-valve treatment significantly improved pulmonary function and exercise capacity in patients with severe emphysema characterized by an absence of interlobar collateral ventilation ...