Fig. 1From: Are we forgetting to carry out serum protein electrophoresis as part of diagnosis workup?Chest computed tomography showing mucus hypersecretion (black arrows), thickening of the peri-bronchiolar walls (white arrowheads) and a “tree-in-bud” pattern reflecting bronchiolar mucoid impaction with additional involvement of adjacent alveoli (black arrowheads)Back to article page