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Extract Mucus plugs (MPs) on chest computed tomography (CT) are highly prevalent and are associated with increased respiratory symptoms1, worse lung function1, increased mortality2 and acute exacerbations3 among individuals with chronic obstructive pulmonary disease (COPD). Whether mucus plug distribution in the upper versus lower lobes differentially impacts future respiratory exacerbations (REs), both within established COPD and among non-obstructed tobacco-exposed individuals, has been incompletely explored.
Wan et al. (Thu,) studied this question.
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