KnowraEmphysemaLinked fromLinked fromThe 7 pages that link to Emphysema, each with the reason it gives.All 7Broader topic 2Related 3Compared with 2Chronic obstructive pulmonary diseaseBroader topic: It is a major COPD pattern, especially when alveolar destruction reduces elastic recoil.Respiratory diseaseBroader topic: It reduces the surface available for gas exchange and makes exhalation difficult.